Yellow Jell-O Salad 2 large boxes lemon Jell-O 6 cups boiling water 1 (12 ounce) can frozen lemonade concentrate, thawed 1 (16 ounce) container Cool Whip In a large mixing bowl, dissolve the Jell-O in the boiling water. Add lemonade; mix thoroughly. Cover and refrigerate until Jell-O is thickened, but not set, about 2 hours. Beat in the Cool Whip. Pour into a large mold. Refrigerate overnight. Makes 8 to 10 servings. Per serving: 416 calories; 9.6 g fat (9.5 g saturated fat; 21 percent calories from fat); 76.2 g carbohydrates; 0 mg cholesterol; 116 mg sodium; 3.4 g protein; 0.2 g fiber