Roasted Pumpkin Seeds: Nutrition, Calories, and 8 Healthy Flavors

Roasted pumpkin seeds are the one part of a jack-o’-lantern that is worth saving, and they are far easier to make than most people expect. Scoop, rinse, season, and bake, and the stringy pile you were about to throw out becomes a crunchy snack with fiber, plant protein, and more magnesium than almost any other everyday food.

The details matter, though. A one-ounce handful of shell-on seeds and a one-ounce handful of hulled pepitas have very different calories, fiber, and protein. Store-bought bags can carry a lot of sodium. And the oil and seasoning you add at home change the numbers more than most recipes admit.

This guide covers the real nutrition and calories in roasted pumpkin seeds from USDA data, the difference between shell-on seeds and pepitas, a tested roasting method, eight healthy flavors, what the evidence says about the health benefits, and how much is a sensible portion.

Roasted Pumpkin Seeds Nutrition: Calories, Protein, and Minerals per Ounce

The numbers below come from two entries in the USDA database: the USDA FoodData Central entry for roasted pumpkin seed kernels and the USDA data for whole roasted pumpkin seeds. Both are listed without added salt, and each ounce is 28.35 grams. The per-ounce values are calculated from the USDA per-100-gram figures.

A few things stand out. Hulled kernels are the more concentrated food: more calories, more protein, and more magnesium in the same weight. Whole shell-on seeds give you far more fiber, and an ounce of them is about 85 seeds, which makes them a slower, more filling snack.

The magnesium is the headline. The National Institutes of Health lists the adult magnesium target at 400 to 420 milligrams for men and 310 to 320 milligrams for women. One ounce of hulled kernels supplies roughly 37 to 50 percent of that, depending on your age and sex. If you want to see how magnesium and zinc work together, the guide to zinc vs magnesium breaks it down, and foods high in zinc shows where pumpkin seeds rank.

The USDA data was last updated in 2019 and reflects unsalted seeds with no oil added. Your homemade batch will differ, which the portion section explains.

Shell-On Pumpkin Seeds vs Hulled Pepitas

The seeds you scoop out of a carving pumpkin have a white outer shell. Pepitas are the green, flat kernels that are usually sold shelled, and they typically come from hull-less pumpkin varieties.

Which one is better depends on what you want from the snack.

• Shell-on seeds are the better choice for fiber and for slowing down. The Cleveland Clinic notes that shell-on seeds are an excellent fiber source, while shelled seeds have less fiber. The shells are edible, but they are chewy, and some people find them rough on the throat.
• Pepitas are the better choice for protein, magnesium, and a softer crunch. They are also easier to add to salads, oatmeal, and yogurt.

If you roast seeds from your own pumpkin, you will get the shell-on version. You can eat them whole, or crack them one at a time and eat the kernel inside. Both approaches work, and cracking them is a built-in portion control, since it takes a while.

How to Roast Pumpkin Seeds Step by Step

This method follows the University of Illinois Extension roasted pumpkin seed recipe, with the optional boil included.

1. Clean the seeds. Pick through them, discard any that were cut, and pull off as much of the stringy fiber as you can. A rinse in a colander helps.
2. Boil them in salted water (optional). Bring 1 quart of water and 2 tablespoons of salt to a boil, add 2 cups of seeds, and boil for 10 minutes. The Illinois Extension says this helps the seeds roast more evenly but can be skipped.
3. Dry them well. Drain, spread the seeds on paper towels, and pat them dry. Wet seeds steam instead of crisping.
4. Add oil and seasoning. Toss with 1 tablespoon of olive or canola oil. If you skipped the boil, add about half a teaspoon of salt and any spices.
5. Roast in a single layer. Spread them on a large baking sheet and roast at 350 degrees Fahrenheit for 15 to 25 minutes, stirring about every 5 minutes, until golden brown.
6. Cool completely, then store. Let them cool, then keep them in an airtight container.

Different extension programs and clinics use different temperatures, and all of them work. The trade-off is time and how much attention the seeds need.

A lower temperature is more forgiving and less likely to scorch the seasoning. A higher temperature is faster but needs closer watching toward the end. Seeds vary in size and ovens vary in heat, so pull them when they are golden and smell toasted, not when the timer says so.

Common Roasting Mistakes to Avoid

Most batches that go wrong fail for one of four reasons.

• Seeds that are still damp. Moisture makes seeds steam and turn chewy. Pat them dry, and if you have time, let them air-dry on a towel before they go into the oven.
• Too much stringy pulp left on. Leftover strands burn before the seeds brown. A quick rinse in a colander and a bit of picking solves it.
• A crowded pan. Seeds piled on top of each other roast unevenly. Use one layer, and split a large batch across two sheets.
• Walking away at the end. Seeds go from golden to burnt fast, especially at 350 degrees. Stir often and pull them as soon as they smell toasted.

8 Healthy Roasted Pumpkin Seed Flavors

Each recipe below is written for 1 cup of cleaned, dried seeds tossed with 1 tablespoon of olive oil, then roasted by any method above. Treat the seasoning amounts as starting points and adjust them to taste. Salt goes in at the end for most flavors, which keeps sodium under your control.

1. Classic Sea Salt

Toss the seeds with oil and 1/2 teaspoon of fine sea salt. This is the baseline every other flavor builds on, and it gives you the lowest sodium of the salted options. Use it when the seeds are going into salads or soups where other ingredients bring their own salt.

2. Cinnamon and Maple

Toss the seeds with oil, 1 teaspoon of cinnamon, 1 teaspoon of pure maple syrup, and a pinch of salt. Roast, and stir often near the end because the syrup can scorch. A teaspoon of maple adds about 4 grams of sugar to the whole batch, which is a small amount spread over many servings. This one works well over oatmeal and plain yogurt.

3. Smoky Paprika and Garlic

Toss the seeds with oil, 1 teaspoon of smoked paprika, 1/2 teaspoon of garlic powder, and 1/4 teaspoon of salt. The smoked paprika gives a savory flavor that stands in for the salt-heavy taste of store-bought seasoned seeds.

4. Chili Lime

Toss the seeds with oil, 1 teaspoon of chili powder, 1/4 teaspoon of salt, and the zest of 1 lime. Squeeze a little lime juice over them after roasting, while they are still warm. Zest carries the lime flavor without adding water that would soften the seeds.

5. Ranch-Style Herb

Toss the seeds with oil, 1 teaspoon of dried dill, 1/2 teaspoon of garlic powder, 1/2 teaspoon of onion powder, and 1/4 teaspoon of salt. This gets the flavor of ranch chips without the dairy powders and heavy sodium that most packaged versions use.

6. Curry and Turmeric

Toss the seeds with oil, 1 teaspoon of curry powder, 1/4 teaspoon of turmeric, and 1/4 teaspoon of salt. The color turns a deep golden yellow. Turmeric stains cutting boards and fingers, so use a baking sheet you do not mind marking.

7. Everything Bagel

Toss the seeds with oil and 1 tablespoon of everything bagel seasoning. Check the label first, because blends vary and many are mostly salt. If yours is heavy on salt, use 2 teaspoons and skip any extra salt.

8. Parmesan and Black Pepper

Roast the seeds with oil and 1/2 teaspoon of black pepper. In the last 5 minutes, sprinkle on 2 tablespoons of finely grated Parmesan and return the pan to the oven until the cheese just melts onto the seeds. Parmesan adds salt on its own, so skip added salt. This flavor contains dairy.

For more ways to use up the rest of the pumpkin, see the high-protein pumpkin recipes for fall.

Easy Ways to Eat Roasted Pumpkin Seeds

A handful from the bowl is fine, but roasted seeds are also useful as an ingredient. A few ideas that keep the portion reasonable:

• Sprinkle them over a green salad in place of croutons.
• Stir a spoonful into oatmeal or plain yogurt, especially the cinnamon and maple flavor.
• Scatter them on top of a bowl of butternut squash or pumpkin soup for crunch.
• Mix them with dried fruit and a few chopped dark chocolate pieces for a small trail mix, keeping the ratio of seeds higher than the sweet pieces.
• Toss them into grain bowls with beans and roasted vegetables for extra protein and texture.

Seeds also pair well with fruit. An apple or pear next to a small handful of seeds gives you fiber, protein, and fat in one snack, which tends to keep you full longer than fruit alone.

Health Benefits of Roasted Pumpkin Seeds

Pumpkin seeds have a real nutritional case, but some of the popular claims run ahead of the evidence. Here is what holds up and what is still early.

Magnesium and blood pressure. Harvard Health describes pumpkin seeds as one of the best natural sources of magnesium, a mineral important for keeping blood pressure in check. This is the best-supported point, and it ties directly to the USDA numbers above.

Plant protein. The Cleveland Clinic calls pumpkin seeds a good source of plant protein. At about 8.5 grams per ounce of hulled kernels, they add useful protein to salads, grain bowls, and yogurt. The high-protein snacks guide shows how they compare with other options.

Fiber and fullness. Shell-on seeds supply about 5 grams of fiber per ounce, which helps with fullness and digestion. The high-fiber foods list puts that in context.

Healthy fats. About 73 percent of the fat in hulled kernels is unsaturated. USDA data shows roughly 15.7 grams of monounsaturated and 19.9 grams of polyunsaturated fat per 100 grams, against 8.5 grams of saturated fat. See the guide to foods high in healthy fats for more.

Sleep, blood sugar, and other claims. The Cleveland Clinic says pumpkin seeds contain tryptophan, which helps with sleep, and that early studies suggest benefits for blood sugar and even cancer risk, largely through compounds called lignans. The article is clear that much of this research is preliminary. Treat these as possible extras, not reasons to eat the seeds.

None of this makes pumpkin seeds a treatment for anything. They are a nutrient-dense snack that fits well in an overall healthy diet.

How Much Roasted Pumpkin Seeds to Eat

One ounce is the standard serving in the USDA data, and it is a good working portion. That is about 85 whole seeds in the shell or about 1/4 cup of hulled kernels.

Homemade seeds are higher in calories than the USDA numbers, because of the oil. Olive oil has about 120 calories per tablespoon. Spread across a 1-cup batch of whole seeds, which weighs about 64 grams, that adds roughly 50 calories to each ounce. So a homemade ounce of shell-on seeds lands closer to 180 calories than 126. If you want a lighter batch, use 1 teaspoon of oil per cup, though the seasoning will cling less evenly.

Sodium is the other number to watch. The Cleveland Clinic warns that some store-bought seeds are high in sodium and recommends unsalted or lightly salted versions. The federal Dietary Guidelines set a 2,300 milligram limit for adults, which the Harvard T.H. Chan School of Public Health cites in its sodium guidance. For comparison, USDA lists salted hulled kernels at about 73 milligrams of sodium per ounce, but flavored commercial seeds often run well above that. Check the label, and compare it with your own recipe, where you control the salt. If you are cutting back, the low-sodium grocery list is a good companion.

A few practical habits keep the portion honest: measure one ounce into a bowl instead of eating from the pan, crack shell-on seeds one at a time, and pair a handful with fruit or yogurt instead of eating them alone.

Who Should Be Careful With Pumpkin Seeds

Most people can eat pumpkin seeds without trouble, but a few groups should take care.

• Young children. The CDC lists whole or chopped nuts and seeds as potential choking hazards for young children. Ask your pediatrician before offering seeds to a young child.
• People with seed or squash allergies. Pumpkin seeds can cause allergic reactions in some people. If you react to pumpkin, squash, or other seeds, talk to your allergist before eating them. If you manage a nut allergy at home, check the label on packaged seeds, since some are made in facilities that also handle nuts, and see the nut-free Halloween candy guide for how to read labels.
• People new to high-fiber foods. The Cleveland Clinic advises starting with just a few, since a large handful of seeds can cause gas or cramping if your diet is low in fiber.
• People watching calories or sodium. Both add up quickly, which is why measuring matters.

If you take medication or have a medical condition that affects your diet, ask your doctor or dietitian whether seeds fit your plan.

FAQ

How many calories are in roasted pumpkin seeds?

USDA data shows 163 calories in 1 ounce of unsalted hulled kernels and 126 calories in 1 ounce of whole shell-on seeds. Homemade batches are higher because of the oil, by roughly 50 calories per ounce with 1 tablespoon of oil per cup of whole seeds.

Are roasted pumpkin seeds healthy?

Yes, in sensible portions. They supply magnesium, zinc, protein, fiber, and unsaturated fat. The main downsides are calories and, with store-bought bags, sodium.

Do you have to boil pumpkin seeds before roasting?

No. The University of Illinois Extension says boiling in salted water for 10 minutes helps the seeds roast more evenly but can be skipped. If you skip it, dry the seeds well and season them directly.

Can you eat pumpkin seed shells?

Yes, the shells of roasted pumpkin seeds are edible and add fiber. The Cleveland Clinic notes that shell-on seeds are an excellent fiber source. Some people prefer to crack them and eat only the kernel.

How long do roasted pumpkin seeds last?

Let them cool completely, then store them in an airtight container, as the University of Illinois Extension advises. Seeds that smell stale or taste bitter have gone off and should be thrown out.

What is the difference between pumpkin seeds and pepitas?

Pepitas are hulled pumpkin seed kernels, usually from hull-less pumpkin varieties, while the seeds from a carving pumpkin have a white shell. Pepitas have more protein and magnesium per ounce. Shell-on seeds have more fiber.

The Bottom Line

Roasted pumpkin seeds are a worthwhile snack, with about 8.5 grams of protein and 156 milligrams of magnesium in an ounce of hulled kernels, and about 5 grams of fiber in an ounce of shell-on seeds. Roast them yourself, pick one of the eight flavors above, and you control the oil, salt, and sugar that decide whether the snack stays light.

The habits that matter are simple: dry the seeds well, roast until golden, measure about an ounce, and choose unsalted or lightly salted store-bought bags. For more Halloween ideas, see how to handle leftover Halloween candy and the list of the healthiest Halloween candy.

This article is for general informational purposes only and is not medical advice. Nutrition values come from USDA FoodData Central data for unsalted seeds, and homemade batches will vary with oil, salt, and seasoning. Consult your doctor or a registered dietitian about your own dietary needs, allergies, or medical conditions.

Save It For Later