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Grandma’s Famous Sweet Potato Butter Cake

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Grandma’s Famous Sweet Potato Butter Cake is a timeless dessert that brings comfort and joy to any gathering. This moist and flavorful cake, enriched with the natural sweetness of sweet potatoes and warm spices like cinnamon and nutmeg, is topped with a buttery glaze that seeps into every bite, creating an irresistible treat. Perfect for family celebrations or casual get-togethers, this cake embodies the warmth of homemade goodness. Easy to prepare, it invites bakers of all skill levels to create a slice of nostalgia that can be cherished for generations.

Ingredients

Scale
  • 2 cups mashed cooked sweet potatoes (about 2 medium)
  • 1 cup unsalted butter, softened
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 tsp vanilla extract
  • 2 1/2 cups all-purpose flour
  • 2 tsp baking powder
  • 1/2 tsp baking soda
  • 1/2 tsp salt
  • 1 tsp cinnamon
  • 1/2 tsp nutmeg
  • 1/2 cup whole milk or buttermilk
  • 1/2 cup unsalted butter (for glaze)
  • 1 cup granulated sugar (for glaze)
  • 1/4 cup water (for glaze)

Instructions

  1. Preheat oven to 350°F (175°C) and grease a Bundt pan.
  2. Cream softened butter and sugar until fluffy; add eggs one at a time, mixing well after each addition.
  3. Stir in mashed sweet potatoes and vanilla extract until smooth.
  4. In a separate bowl, whisk together flour, baking powder, baking soda, salt, cinnamon, and nutmeg.
  5. Gradually add dry ingredients to the wet mixture alternately with milk until just combined.
  6. Pour batter into prepared pan and smooth the top.
  7. Bake for 50–60 minutes or until a toothpick comes out clean.
  8. For the glaze, melt butter with sugar and water until boiling; let simmer briefly then stir in vanilla.
  9. Poke holes in the warm cake and pour glaze over it before cooling.

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