Plum Upside-Down Cake - cooking recipe

Ingredients

7 Tbsp. butter or margarine, divided
3/4 c. sugar, divided
3 to 4 plums, pitted and thinly sliced
1 egg
1 c. all-purpose flour
1/4 tsp. salt
1 tsp. baking powder
1/3 c. milk
1 tsp. vanilla extract

Preparation

Place 1 tablespoon butter in a 9-inch round baking pan.
Put pan in a preheated 350\u00b0 oven to melt.
Remove from oven and sprinkle with 1/3 cup sugar.
Arrange plum slices in a circular pattern over sugar. Bake for 10 minutes.