Grandma's Famous Sweet Potato Butter Cake is a nostalgic dessert that combines the warmth of sweet potatoes with the richness of butter and spices. It's a moist, flavorful cake with a soft crumb, perfect for any occasion.
1 cup mashed sweet potatoes (cooked and cooled)
1 cup unsalted butter, softened
2 cups granulated sugar
4 large eggs
2 cups all-purpose flour
1 teaspoon baking powder
1 teaspoon baking soda
1 teaspoon ground cinnamon
1/2 teaspoon ground nutmeg
1/2 teaspoon salt
1 teaspoon vanilla extract
1/2 cup buttermilk