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Gramma's Sweet Potato Casserole

Recipe by Kevin Is Cooking on YouTubeAdded 9 November 2026.
  • 1 hr
  • Serves 8
  • 9 ingredients

20 minutes to prep, 40 to cook. A comforting holiday side that blends creamy mashed sweet potatoes with the caramel sweetness of maple syrup and brown sugar. Topped with crunchy pecans and toasted marshmallows, this casserole offers a perfect balance of sweet and savory flavors for festive gatherings.

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Ingredients

8 servingsMetric

Amounts as Kevin Is Cooking gives them. Metric converts supported weights and liquids, and oven temperatures; spoon measures and counts stay as written.

Method

  1. 1

    Preheat the oven to 375°F. Lightly coat a 9x13" casserole dish with cooking spray or butter.

  2. 2

    Place the sweet potatoes in a pot, cover with water, bring to a boil, then simmer for 12–15 minutes until fork‑tender. Drain well.

  3. 3

    Transfer the cooked sweet potatoes to a large bowl and mash together with brown sugar, softened butter, vanilla, maple syrup, kosher salt, and ground cinnamon until smooth and well combined.

  4. 4

    Spread the sweet potato mash evenly in the prepared casserole dish. Sprinkle the chopped pecans over the top, then cover with miniature marshmallows.

  5. 5

    Bake for 25 minutes, or until the marshmallows are golden brown and the casserole is heated through.

Tips while you cook

Drain potatoes thoroughly
After boiling, drain the sweet potatoes well before mashing.
Evenly spread the mash
Spread the mashed sweet potatoes evenly in the dish before adding pecans and marshmallows.
Watch marshmallows while baking
Bake until the marshmallows turn golden brown, about 25 minutes.

Notes from ReelsMeals, based on this recipe's ingredients, times and method. They are not the creator's instructions.

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The recipe comes from Kevin Is Cooking’s YouTube video. ReelsMeals wrote it down from the caption and the voiceover. Check the original if something looks off, and for anything about allergens.

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