Follow these simple steps to bake The Best Peanut Butter Cake that will leave everyone in awe:

1. Preheat Oven: Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
2. Combine Dry Ingredients: In a medium bowl, whisk together flour, baking powder, baking soda, and salt. Set aside.
3. Cream Butter and Sugars: In a large mixing bowl, beat together the softened butter, granulated sugar, and brown sugar until light and fluffy.
4. Add Peanut Butter: Mix in the creamy peanut butter until fully incorporated.
5. Incorporate Eggs: Add eggs one at a time, mixing well after each addition.
6. Add Vanilla: Stir in the vanilla extract to enhance the flavor.
7. Combine Wet and Dry: Gradually add the flour mixture to the butter mixture, alternating with the milk. Begin and end with flour, mixing until just combined.
8. Pour Batter: Divide the batter evenly between the prepared cake pans.
9. Bake: Bake in the preheated oven for 30-35 minutes or until a toothpick inserted into the center comes out clean.
10. Cool: Once baked, remove the cakes from the oven and let them cool in the pans for 15 minutes. Then transfer to wire racks to cool completely.

These steps will ensure that your Peanut Butter Cake comes out perfect every time!