Follow these steps to create your own Sweet Potato Butter Cake and enjoy its wonderful flavors:

1. Preheat your oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan or two 9-inch round cake pans.

2. Prepare Sweet Potatoes: Peel and chop your sweet potatoes. Boil them in water until soft, then mash until smooth. Allow to cool slightly.

3. Cream Butter and Sugar: In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.

4. Add Eggs and Vanilla: Beat in eggs, one at a time, mixing well after each addition. Add in the vanilla extract.

5. Mix Dry Ingredients: In a separate bowl, combine flour, baking powder, baking soda, salt, cinnamon, and nutmeg.

6. Combine Wet and Dry: Gradually add the dry mixture to the butter mixture, alternating with buttermilk. Start and end with the flour mixture.

7. Fold in Sweet Potatoes: Gently fold in the mashed sweet potatoes until just combined. Avoid overmixing the batter.

8. Pour Batter: Evenly pour the batter into the prepared pan(s).

9. Bake: Bake in the preheated oven for 50-60 minutes, or until a toothpick inserted into the center comes out clean.

10. Cool: Remove the cake from the oven and let it cool in the pan for about 15-20 minutes. Then, transfer to a wire rack to cool completely.

11. Optional Frosting: If desired, frost with cream cheese frosting or serve with whipped cream to enhance the experience.

With these simple steps, your Sweet Potato Butter Cake will be perfectly baked and ready to enjoy!