Chocolate Upside-Down Cake - cooking recipe

Ingredients

1 c. flour, sifted
3/4 c. sugar
1 1/2 Tbsp. cocoa
2 tsp. baking powder
1/4 tsp. salt
1/2 c. milk
2 Tbsp. melted butter
1 tsp. vanilla

Preparation

Mix together and pour into 8-inch square pan.