Sweet Potato Casserole with Graham Cracker Streusel
A decadent sweet potato casserole topped with a crunchy graham cracker-pecan streusel and toasted marshmallows. This dish combines creamy maple-sweetened sweet potatoes with a chocolate-kissed topping for a delicious side dish or dessert.
Ingredients
- •3 pounds orange-fleshed sweet potatoes
- •5 pieces graham crackers
- •1 cup pecans
- •1¾ teaspoons kosher salt
- •6 tablespoons unsalted butter
- •¼ cup whole milk
- •¼ cup pure maple syrup
- •2 teaspoons unsweetened cocoa powder
- •1½ teaspoons vanilla extract
- •½ teaspoon freshly ground black pepper
- •1 cup mini marshmallows
- •1 piece cast-iron skillet or baking dish
Cooking Instructions
- 1.
Preheat oven to 425ºF. Arrange potatoes on a foil-lined rimmed baking sheet, then prick all over with a fork. Bake until the tip of a paring knife inserts easily into center of largest potato, 50-65 minutes, depending on size of potatoes. Let sit until cool enough to handle.
65 min
- 2.
Reduce oven temperature to 350ºF. Remove and discard potato skins. Transfer flesh to a large bowl and let cool completely. (You should have 4-4 1/2 cups.)
30 min
- 3.
Place graham crackers in a resealable plastic bag. Coarsely crush with your hands into 1/2"-1" pieces. Transfer graham crackers to a medium bowl. Add pecans and 1/4 tsp. salt. Mix in 4 Tbsp. butter to combine.
10 min
- 4.
Add milk, maple syrup, cocoa powder, vanilla, pepper, and remaining 2 Tbsp. butter and 1 1/2 tsp. salt to bowl with potato. Mash with a potato masher or fork until smooth.
10 min
- 5.
Transfer potato mixture to skillet or baking dish. Sprinkle graham cracker mixture over. Bake casserole until streusel is lightly golden, 20-25 minutes. Sprinkle marshmallows over, then continue to bake until marshmallows are lightly golden, 10-15 minutes more. Let sit 10-15 minutes. Serve warm.
40 min
- 6.
Potatoes can be baked and peeled 5 days ahead. Transfer to an airtight container and chill. Potato filling can be made 3 days ahead. Transfer to an airtight container and chill. Bring to room temperature before using.