Crescent Apple Cake

8 oz can crescent dinner rolls
3 medium to large cooking apples, peeled, each cut into 16 slices

Topping
1/2 to 3/4 c sugar
1 T flour
1/2 t cinnamon
1 T margarine or butter, softened

Heat oven to 350. Separate crescent dough into 2 large rectangles. Place rectangles in ungreased 9-inch square pan, over botton and 1/2 inch up sides to form crust; seal perforations. Arrange apple slices in 3 rows on crust. In small bowl, combine topping ingredients until crumbly; sprinkle over apples. Bake for 35 to 40 minutes or until apples are tender. Serve slightly warm, top with cream, if desired. 9 servings.