How many calories in a serving of sweet potato casserole?

Sweet potato casserole is a beloved Thanksgiving side dish made from mashed sweet potatoes, butter, sugar, eggs, and topped with a crunchy pecan streusel. This comforting casserole has a smooth, sweet interior and a crispy, caramelized topping that provides an irresistible contrast of textures.

While sweet potato casserole is a tasty treat, many people wonder just how many calories are in a typical serving. Knowing the calorie count can help you balance your Thanksgiving plate and avoid overeating. In this article, we’ll break down the average calorie count in sweet potato casserole and look at ways to lighten it up.

What Are the Main Ingredients in Sweet Potato Casserole?

A classic sweet potato casserole consists of just a few main ingredients:

– Sweet potatoes – The base of the casserole is made from cooked, mashed sweet potatoes. Sweet potatoes are packed with fiber, vitamins A and C, and minerals like manganese.

– Butter – Butter provides richness and moisture to the casserole. Variations may use oil instead of butter to reduce the saturated fat content.

– Sugar – White and/or brown sugar adds sweetness to balance the natural earthiness of the sweet potatoes. The streusel topping usually contains brown sugar for flavor and crunch.

– Eggs – Eggs act as a binder to help hold the casserole together. They also add protein and various vitamins and minerals.

– Pecans – Chopped pecans give the streusel topping a delightful crunch. Pecans contain healthy unsaturated fats, fiber, and antioxidants.

– Spices – Spices like cinnamon, nutmeg, ginger, and allspice add warmth and flavor to sweet potato casserole.

How Many Calories in a Typical Serving?

The calorie count of sweet potato casserole can vary widely depending on the specific recipe and serving size. On average, a 1 cup serving of sweet potato casserole contains around:

– 300-350 calories

This estimated calorie count is based on a typical casserole recipe that includes mashed sweet potatoes, butter, brown sugar, eggs, half and half or milk, and a pecan streusel topping. Recipes with more sugar, butter, and heavy cream will be higher in calories, while lighter versions may be lower.

To determine the calories in a recipe more precisely, you would need to calculate the calories of each ingredient and add them up. For example, here is a nutritional breakdown of a typical 1 cup serving of sweet potato casserole:

Ingredient Calories
1/2 cup mashed sweet potato (about 1 medium) 90
2 Tbsp butter 200
2 Tbsp brown sugar 105
1 egg 80
1/4 cup milk 30
1/4 cup chopped pecans 115
Total: 620

As you can see, the high amounts of butter, brown sugar, and pecans really add up in this recipe. The sweet potatoes themselves are relatively low calorie, but all the add-ins pack on extra calories and fat.

Variables That Affect Calorie Count

There are a few variables that can raise or lower the calorie content in sweet potato casserole:

– **Butter vs. oil:** Using butter adds more saturated fat and calories than using an unsaturated oil like canola or olive oil. Replacing some or all of the butter with oil can reduce calories.

– **Pecans:** The amount of pecans in the topping will influence calories. More pecans means more calories from fat and carbs. Reducing or eliminating pecans lowers calories.

– **Sugar:** Large amounts of brown or white sugar increase the calorie density. Cutting back on sugar decreases calories without compromising sweetness.

– **Milk/cream:** Using heavy cream adds more fat and calories than lower fat milk or half and half. Choosing lower fat dairy helps lighten it up.

– **Portion size:** A smaller 3/4 cup portion vs. large 1 cup portion cuts calories by about 25%. Pay attention to serving sizes.

– **Add-ins:** Ingredients like chocolate chips, coconut, marshmallows, etc. boost calories and should be used sparingly.

Tips for Lightening Up Sweet Potato Casserole

If you want to enjoy sweet potato casserole without all the extra calories, there are easy ways to save calories:

– Use apple sauce or mashed banana instead of some butter. They add moisture and sweetness.

– Replace half the butter with plain non-fat Greek yogurt, which provides creaminess without the saturated fat.

– Use only 1 egg and 2 egg whites to cut around 40 calories per serving.

– Substitute milk for heavy cream or half and half to substantially reduce calories and fat.

– Cut the sugar amount by 1/3 to 1/2. The sweet potatoes provide ample sweetness.

– Use just enough mini chocolate chips, raisins, or nuts for specks of flavor instead of large amounts.

– Top with crisp sliced almonds instead of pecans for crunch with less fat.

– Scoop measured 3/4 cup portions to control serving sizes.

– Bake instead of frying the topping to avoid extra oil.

Healthier Sweet Potato Casserole Recipe

This lighter version cuts over 150 calories per serving by using Greek yogurt, reducing butter and sugar, and baking instead of frying the topping:

Ingredient Amount
Sweet potatoes, cooked and mashed 2 cups
Unsalted butter 3 Tbsp
Brown sugar 3 Tbsp
Egg 1
Egg whites 2
Non-fat Greek yogurt 1/4 cup
Skim milk 1/4 cup
Vanilla 1/2 tsp
Cinnamon 1/2 tsp
Chopped pecans 2 Tbsp
Mini chocolate chips 1 Tbsp (optional)

1. Preheat oven to 350°F. Coat an 8×8 baking dish with non-stick spray.
2. In a bowl, mix together sweet potatoes, butter, brown sugar, egg, egg whites, Greek yogurt, milk, vanilla, and cinnamon until smooth.
3. Transfer mixture to prepared baking dish.
4. In a small bowl, mix together chopped pecans and chocolate chips. Sprinkle over the top of the sweet potato mixture.
5. Bake 30-35 minutes until set and topping is lightly browned.
6. Let cool 10 minutes before serving. Cut into 6 equal servings.

Each 3/4 cup serving of this lighter sweet potato casserole provides approximately:
– 170 calories
– 5g fat
– 28g carbs
– 3g protein

By using healthier substitutions and reducing portion sizes, you can still enjoy the signature flavors of sweet potato casserole without breaking your calorie bank this Thanksgiving!

Should You Eat the Topping?

The crispy, crunchy pecan topping is one of the best parts of sweet potato casserole. But since it’s high in sugar, butter, and nuts, the topping increases the calorie density significantly.

To keep calories under control, you have a few options:

– Eat a smaller ratio of topping to filling, getting more sweet potatoes and less topping in each bite.

– Dish out a half portion of topping over your full portion of sweet potato filling.

– Skip the topping entirely if you are limiting calories and fat. The sweet potato filling has plenty of flavor on its own.

– Enjoy a spoonful of topping mixed into each serving for crunchy bursts of flavor without going overboard on calories.

– Use Greek yogurt, apple sauce and nuts to create a lighter topping that lets you indulge while providing more nutritional benefits.

If you don’t have any calorie concerns, by all means, enjoy that pecan streusel topping! It’s one of the best parts of the dish. But being mindful of portions and using healthier recipes can let you have your casserole and eat it too – even on a diet.

Should You Avoid Sweet Potato Casserole When Dieting?

Sweet potato casserole has a reputation for being a high-calorie, indulgent food. But with a few adjustments, you can enjoy reasonable portions even when watching your weight. Here are some tips:

– Use the healthy lighter recipe provided above. It cuts around 150 calories per serving.

– Stick to a measured 3/4 – 1 cup serving. Larger portions blow up calories.

– Fill most of your plate with lower calorie foods like turkey, vegetables, salad, and fruit. Let the casserole be a side, not the main focus.

– Avoid going back for seconds. Extra helpings make it too easy to overeat.

– Skip heavy extras like butter on your dinner rolls or rich desserts to account for the casserole calories.

– Stay hydrated with water to help fill up.

– Work in some extra exercise on Thanksgiving day like a long walk or run to burn additional calories.

While sweet potato casserole is higher in calories, skipping it altogether may leave you feeling deprived. Having a reasonable portion along with lighter fare can let you splurge while staying on track with your diet. Moderation and balance is key.

Healthier Substitutes for Sweet Potato Casserole Ingredients

If you’re looking for ways to lighten up a sweet potato casserole recipe, there are many lower calorie, more nutritious substitutes to use:

– **Butter:** Substitute half the butter with unsweetened applesauce, mashed avocado, plain Greek yogurt, or olive oil to reduce saturated fat.

– **Sugar:** Cut back the white and brown sugar by 1/3 to 1/2. Try adding cinnamon, vanilla, or maple syrup for sweetness instead.

– **Milk:** Use skim or low fat milk rather than heavy cream or whole milk to save fat and calories.

– **Pecans:** Replace half the pecans with sliced almonds or sunflower seeds for crunch with less fat.

– **Flour:** For the topping, use quick cooking oats or whole wheat flour instead of all-purpose flour.

– **Chocolate chips:** Use cacao nibs, chopped dark chocolate or small blueberries for just a touch of chocolate.

– **Sweet potatoes:** Swap in mashed butternut squash or pumpkin for some of the sweet potatoes to boost nutrition.

With some easy ingredient tweaks, you can still get all the comforting flavor while reducing calories, fat, sugar, and carbs in your sweet potato casserole.

Low Carb Sweet Potato Casserole Options

Here are some tips for making sweet potato casserole lower in carbs if you’re limiting carbs or following a keto diet:

– Replace starchy sweet potatoes with low carb vegetables like cauliflower, butternut squash or eggplant that you roast and mash.

– Skip adding sugar and boost sweetness with stevia drops, erythritol, or small amounts of maple syrup instead.

– Use almond flour, coconut flour, or crushed pork rinds in the topping rather than regular flour.

– Add fiber-rich chia seeds or flax meal to the mashed vegetable base for thickness rather than flour or cream.

– Use butter and cream cheese for richness instead of milk and cream which have more carbs.

– Skip the chocolate chips and candied nuts which add extra carbs on top.

– Bake the casserole in ramekins for perfectly portioned servings rather than a big dish to avoid overeating.

With some substitutions, you can definitely get your casserole fix in a low carb way. Just focus on reducing sugar, boosting fat, and replacing starchy vegetables or flour with low carb alternatives.


Sweet potato casserole can have between 300-350 calories per serving on average, but the count can vary considerably depending on the specific ingredients used. Cutting back on butter, sugar, flour, and high fat dairy can substantially reduce calories and fat. Baking instead of frying, controlling portions, and using healthy swaps for ingredients like Greek yogurt and almond flour also lighten up this comforting casserole while still offering plenty of flavor. With some adjustments, you can even modify sweet potato casserole to be lower carb yet still satisfying. While it’s not the lowest calorie dish, enjoying sweet potato casserole in moderation can be part of an overall balanced diet. With smart tips like those above, you can serve up this delicious holiday favorite without overdoing the calories or carbs.

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