Apple Kuchen Coffee Cake

1/2 cup sugar
1/3 cup butter or margarine, softened
1 egg
2 cups Original Bisquick mix
1/2 cup vanilla yogurt
1 egg
1 large cooking apple, peeled and thinly sliced (1 1/2 cups)
1/4 cup sugar
1/4 teaspoon ground cinnamon

Heat oven to 350 degrees. Grease bottom and side of springform pan, 9x2 inches, or round pan, 9x1 1/2 inches, with shortening. In medium bowl, beat 1/2 cup sugar, the butter and egg with electric mixer on low speed about 30 seconds or until smooth. Beat in Bisquick. Spread over bottom and 1 inch up side of pan.

In small bowl, mix yogurt and egg until smooth. Stir in apple; spoon over batter in pan. Mix 1/4 cup sugar and the cinnamon; sprinkle over apple mixture. Bake 45 to 50 minutes or until center is set and crust is deep golden brown. Cool 10 minutes; remove side of pan. Serve warm. Makes 8 servings