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–+ servings
Sweet Potato Casserole

Indulgent Sweet Potato Casserole with Crunchy Topping

This Sweet Potato Casserole features a rich, creamy base topped with crunchy marshmallows, perfect for holiday gatherings.
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Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Servings: 8 servings
Course: dinner
Cuisine: American
Calories: 290
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Creamy Base
  • 3 large Sweet Potatoes alternative: butternut squash
  • 0.5 cup Milk substitute with almond milk or oat milk
  • ⅓ cup Brown Sugar maple syrup is an alternative
  • ¼ cup Butter use coconut oil for dairy-free
  • 1 large Egg substitute with flax egg for vegan
  • 1 teaspoon Cinnamon pumpkin spice is a substitute
  • ½ teaspoon Nutmeg
  • 1 pinch Salt opt for sea salt
For the Topping
  • 1 cup Mini Marshmallows use vegan marshmallows if plant-based
  • 1 cup Streusel Topping mix of flour, butter, and brown sugar

Equipment

  • large pot
  • mixing bowl
  • Potato masher
  • electric mixer
  • 9x13-inch casserole dish
  • oven

Method
 

Step-by-Step Instructions
  1. Peel and cube about three large sweet potatoes. Place in boiling water and cook for 15–20 minutes until fork-tender. Drain and mash until creamy.
  2. Add ½ cup milk, ⅓ cup brown sugar, ¼ cup melted butter, 1 beaten egg, 1 teaspoon cinnamon, ½ teaspoon nutmeg, and a pinch of salt to the mashed sweet potatoes. Mix until smooth.
  3. Preheat oven to 350°F (175°C). Spread sweet potato mixture into a greased 9x13 dish. Bake for 25–30 minutes until edges are set.
  4. Combine 1 cup flour, ½ cup brown sugar, and ¼ cup melted butter for the streusel topping. Mix until crumbly. If desired, add ½ cup mini marshmallows.
  5. Sprinkle streusel topping over baked sweet potato base, then add remaining mini marshmallows. Bake for an additional 10–15 minutes until marshmallows are golden brown.
  6. Broil for 2–3 minutes to achieve a toasted effect on the topping. Watch closely to prevent burning.

Nutrition

Serving: 1sliceCalories: 290kcalCarbohydrates: 45gProtein: 3gFat: 12gSaturated Fat: 7gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 3gCholesterol: 40mgSodium: 150mgPotassium: 400mgFiber: 3gSugar: 20gVitamin A: 30000IUVitamin C: 20mgCalcium: 100mgIron: 1mg

Notes

Smooth mashed potatoes are key for the best texture. Prep ahead by peeling and cubing sweet potatoes a day in advance. Store in cold water in the fridge.

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