2 1/3 c. Bisquick baking mix
3 tbsp. sugar
3 tbsp. butter, melted
1/2 c. milk
1 1/2 c. sliced, pared apple (1 lg. apple)
1/4 c. sugar
1/2 tsp. ground cinnamon
2/3 c. dairy sour cream
1 egg

Heat oven to 375 degrees. Grease square 9x9x2 inch pan. Mix baking mix, 3 tablespoons sugar, the butter and milk. Spread in pan. Arrange apples on mixture in pan. Mix 1/4 cup sugar and the cinnamon; sprinkle over apples. Mix sour cream and egg; drizzle over top. Bake until edges are light brown, 25-30 minutes. Makes 9 servings. Refrigerate any remaining coffee cake.