01 - 
                Preheat oven to 350°F (175°C). Grease a standard 12-cup muffin tin with non-stick spray.
              
              
              
                02 - 
                In a small bowl, combine melted butter and brown sugar. Spoon evenly into the bottom of each muffin cup.
              
              
              
                03 - 
                Place several peach slices over the brown sugar mixture in each cup, slightly overlapping them.
              
              
              
                04 - 
                In a medium bowl, whisk together flour, baking powder, baking soda, and salt.
              
              
              
                05 - 
                In a separate bowl, beat softened butter and granulated sugar until light and fluffy.
              
              
              
                06 - 
                Add eggs one at a time, beating well after each addition. Mix in vanilla extract.
              
              
              
                07 - 
                Add dry ingredients in three parts, alternating with buttermilk, beginning and ending with flour mixture. Mix until just combined.
              
              
              
                08 - 
                Spoon batter evenly over the peaches in each muffin cup, filling each about three-quarters full.
              
              
              
                09 - 
                Bake for 20–25 minutes or until a toothpick inserted into the center of a cake comes out clean.
              
              
              
                10 - 
                Allow cakes to cool in the pan for 5–10 minutes. Carefully invert onto a wire rack and let cool completely.