3/4 c. sugar
1/2 c. Bisquick baking mix
2 eggs
2 pkgs. (8 oz. each) cream cheese, cut into 1 inch cubes & softened
2 tsp. vanilla
1/2 tsp. grated lemon peel

CHEESECAKE TOPPING:

1 c. dairy sour cream
2 tbsp. sugar
2 tsp. vanilla

Mix topping ingredients.

Heat oven to 350 degrees. Grease pie plate, 9 x 1 1/4 inches. Place all ingredients except topping in blender container. Blend on high speed, stopping blender occasionally to stir until smooth, about 3 minutes (or beat in large bowl on high speed of electric mixer, scraping bowl constantly, 2 minutes). Pour into plate. Bake just until puffed and center is dry, about 30 minutes. (Do not overbake.) Spread topping carefully over top; cool. Refrigerate at least 3 hours.