Peanut Butter & Jelly Doughnut-Like Muffin

Preheat oven to 425F. Spray muffin pan with cooking spray and set aside. In a large bowl of an electric or stand mixer, cream butter and sugar together on medium speed. Mix in the egg, vanilla extract, and milk. Gently stir in flour, baking powder, cinnamon, and salt. DO NOT overmix - stir until just combined. Spoon 1 heaping Tablespoon of batter into muffin tin. Layer with 1 teaspoon peanut butter and jelly in the center and spoon another heaping Tablespoon of batter on top. Repeat layering batter and peanut butter & jelly into each muffin tin. Bake at 425F for 5 minutes. Reduce oven to 350F and bake for an additional 13-17 minutes until batter is set. Allow muffins to cool for about 5 minutes. Enjoy! :D