1/4 c. sugar
1/2 c. Bisquick
2 eggs
2 (8 oz.) pkgs. cream cheese
2 tsp. vanilla
1/2 tsp. lemon rind

Heat oven to 350 degrees. Grease pan or pie plate. Place all ingredients in blender container. Blend on high speed, stopping occasionally to stir until smooth, about 3 minutes. Pour into pie plate. Bake until puffed and center is dry, about 30 minutes. Do not overbake. Refrigerate until chilled at least 3 hours.