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Sweet Potato Casserole
4.9 from 112 votes

Sweet Potato Casserole

Sweet Potato Casserole combines roasted sweet potatoes mashed until smooth with warming spices and milk for creaminess. A crisp crumble topping made from oats, pecans, walnuts, fresh herbs, maple syrup, and garlic adds a textured contrast, providing both crunch and savory notes. Toasting the topping under the broiler caramelizes the edges, making this recipe a satisfying blend of soft and crunchy elements. It works well as a side dish for fall and winter meals where sweet and savory flavors complement hearty proteins.

Prep Time
20 mins
Cook Time
1 hr 20 mins
Total Time
1 hr 40 mins
Servings: 6 to 8
Course: Side Dish
Cuisine: American

Ingredients

  • 5 sweet potato 3 pounds, large
  • 1 tablespoon extra-virgin olive oil plus more for drizzling, or melted butter
  • 1¼ cups milk plus more if necessary
  • 1 teaspoon ground ginger
  • ¾ teaspoon salt sea salt
  • ¼ teaspoon black pepper freshly ground
  • ¼ cup sage for garnish, fresh leaves
Crumble Topping
  • ⅔ cup rolled oats whole
  • ½ cup pecans plus more for garnish
  • ½ cup walnuts plus more for garnish
  • 1 garlic clove
  • 1 tablespoon maple syrup plus 1 teaspoon
  • 2 tablespoons extra-virgin olive oil or melted butter
  • ½ teaspoon thyme dried leaves
  • ½ teaspoon rosemary minced fresh
  • 1½ teaspoons salt sea salt
  • ¼ teaspoon black pepper freshly ground

Instructions

    Cup of Yum
  1. Preheat the oven to 425°F. Line a baking sheet with foil and brush an 9x13-inch baking dish with olive oil.
  2. Use a fork to poke a few holes into the sweet potatoes. Place on the baking sheet and roast until very tender, about 60 minutes.
  3. Make the crumble topping: In a food processor, place the oats, pecans, walnuts, garlic, maple syrup, olive oil, thyme, rosemary, salt, and pepper and pulse until just combined. Remove and set aside.
  4. Scoop the cooked sweet potato flesh out of the skins and place in a food processor. Add the olive oil, milk, ginger, salt, and pepper and process to combine. Spread the mixture into the baking dish.
  5. Sprinkle with the crumble topping, additional nuts, and sage leaves. Drizzle with olive oil and bake for 20 minutes, or until the topping is browned and crisp.