DELICIOUS PEACH UPSIDE DOWN CAKE

INGREDIENTS :

1/4 cup butter
1/2 cup packed brown sugar
1 1/2-2 cups sliced, pitted and peeled peaches or frozen unsweetened peach slices, thawed and large slices cut in half lengthwise
1 1/4 cups all-purpose flour
1 1/4 teaspoons baking powder
1/4 teaspoon salt
1/2 cup butter, softened
3/4 cup granulated sugar
1 egg
1 teaspoon vanilla
1/2 cup milk

DIRECTIONS :

Place 1/4 cup butter in an 8x8x2-inch baking pan. Warm in a 350 degrees F oven about 5 minutes or until butter is melted. (Be sure to watch carefully to avoid overbrowning the butter). Remove pan from oven. Add brown sugar, stirring until sugar is completely moistened. Spread sugar mixture evenly in pan. Arrange peach slices evenly over brown sugar mixture. Set aside.
In a medium bowl, combine the flour, baking powder and salt; set aside. In a large bowl, beat 1/2 cup butter with an electric mixer on medium to high speed for 30 seconds …