In a blender combine the yogurt, berries, powdered milk, ricotta, and corn syrup. Blend until smooth with flecks of berries. Gently fold in the thawed whipped topping. Pour the mixture into a graham cracker crust. Cover and freeze until firm, about 4 hours. Remove and let stand at room temperature for 5 to 10 minutes before slicing and serving. Makes 6 serivngs (1 pie) NOTE: "This is a fast snack or dessert to prepare and its such a refreshing treat - a favorite for kids. The berries add rich color and flavor." Calories 302 at (grams) 4.3 % Fat calories 13 Protein (grams) 10 Carbohydrates (grams) 53 Cholesterol (milligrams) 4 Calcium (milligrams) 294 [29% daily value] Recipe by: Stealth Health - Evelyn Tribole Posted to EAT-LF Digest by KSBAUM@aol.com on Jun 27, 1999, converted by MM_Buster v2.0l.