Sweet Potato Crumble

Total Time:
1 hr 5 min
20 min
45 min

8 to 12 servings

  • Mashed Sweet Potatoes:
  • 3 medium sweet potatoes, peeled and large diced
  • 1/4 cup whole milk
  • 1 teaspoon ground cardamom
  • 4 to 6 tablespoons light brown sugar
  • Cooking spray
  • Cake Layer:
  • 1 large egg
  • 1 cup packed light brown sugar
  • 1 cup plain Greek yogurt
  • 1/4 cup vegetable oil
  • 1 teaspoon vanilla extract
  • Zest of one orange
  • 1 1/2 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/4 teaspoon baking soda
  • 1/4 teaspoon fine salt
  • Crumble:
  • 2 cups all-purpose flour
  • 1 cup packed light brown sugar
  • 1 stick (8 tablespoons) unsalted butter, melted
Watch how to make this recipe.
  • Preheat the oven to 350 degrees F.

  • For the mashed sweet potatoes: Cover the sweet potatoes with cold water in a medium saucepan and simmer over medium heat until fork-tender, 12 to 15 minutes. Drain off the excess water and transfer the potatoes to the bowl of a stand mixer fitted with the paddle attachment. Add the milk, cardamom and 4 tablespoons of the brown sugar and mix on medium until smooth, 3 to 4 minutes. Taste and add more brown sugar if desired. Set aside to cool.

  • Spray a 9-by-13-inch baking dish with cooking spray.

  • For the cake layer: In a clean bowl of a stand mixer fitted with the paddle attachment, cream together the egg and brown sugar until fluffy and thick, about 4 minutes. Add the yogurt, oil, vanilla extract and orange zest and mix until well combined. Add the flour, baking powder, baking soda and salt. Mix until the batter just comes together; it will be thick. Spread the batter into the bottom of the greased baking dish. Cover the batter evenly with the sweet potato mixture.

  • For the crumble: Combine the flour, brown sugar and melted butter in a small bowl. Mix with your hands until the mixture forms a rough crumbly texture. Sprinkle over the sweet potato and bake until the bottom is set and the crumb topping is golden brown, about 30 minutes.

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