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A close up of some sweet potato casserole, showing the layers of the mashed sweet potatoes, candied pecans, and toasted marshmallows.
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5 from 1 vote

Sweet Potato Casserole

This is the best sweet potato casserole, topped with crunchy candied pecans and mini marshmallows. It's the perfect addition to your Thanksgiving dinner!
Prep Time20 minutes
Cook Time50 minutes
Total Time1 hour 10 minutes
Course: Side Dish
Cuisine: American
Keyword: Sweet Potato Casserole, thanksgiving
Servings: 18
Calories: 331kcal

Equipment

  • Large Mixing Bowl

Ingredients

For the Sweet Potato Mash:

  • 4 lbs sweet potatoes (peeled and cut into 2 inch cubes)
  • 1/2 cup melted butter
  • 1/3 cup milk
  • 1/3 cup brown sugar
  • 1/3 cup white sugar
  • 1 egg
  • 1 tsp vanilla
  • 1 tsp salt

For the Topping:

  • 1 1/2 cup chopped pecans
  • 2/3 cup brown sugar
  • 6 TBS All Purpose flour
  • 6 TBS melted butter
  • 3-4 cups about 1/2 package mini marshmallows

Instructions

For the Sweet Potato Mash:

  • Bring a large pot of water to boil and add the sweet potatoes. Cook them in the water for about 20-25 minutes until they are soft (and can be pierced with a fork). Drain out the water. 4 lbs sweet potatoes
  • Preheat the oven to 375 degrees Fahrenheit.
  • Mash the sweet potatoes in a large bowl to desired consistency. (I like mine with a little texture, decide how smooth you want them).
  • Add in the melted butter, milk, brown sugar, granulated sugar, egg, salt, and vanilla, and stir it all to combine. 1/2 cup melted butter, 1/3 cup milk, 1/3 cup brown sugar, 1/3 cup white sugar, 1 egg, 1 tsp vanilla, 1 tsp salt
  • Scoop the mixture into a 9x13 in baking dish.

For the Topping:

  • In a medium sized bowl, combine the chopped pecans, brown sugar, and flour, and stir well. Add in the melted butter. 1 1/2 cup chopped pecans, 2/3 cup brown sugar, 6 TBS All Purpose flour, 6 TBS melted butter
  • Sprinkle the mixture evenly over the top of the sweet potatoes.
  • Bake the dish uncovered for 20 minutes, or until the pecans are caramelized.
  • If desired, Sprinkle marshmallows evenly over the top of the sweet potatoes. 3-4 cups about 1/2 package mini marshmallows
  • Bake for another 3-5 minutes or until the marshmallows are puffy and golden brown.
  • Serve hot.

Nutrition

Calories: 331kcal | Carbohydrates: 46g | Protein: 3g | Fat: 16g | Saturated Fat: 6g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 33mg | Sodium: 279mg | Potassium: 409mg | Fiber: 4g | Sugar: 25g | Vitamin A: 14600IU | Vitamin C: 3mg | Calcium: 57mg | Iron: 1mg