Piccadilly Pecan Delight Pie

Name: Piccadilly Pecan Delight Pie
Prep time: 20 min
Cook time: 1 h
Total time: 1 h 20 min
Cuisine: American
Ingredients: 3 egg whites (room temperature); 1/4 teaspoon Cream of Tartar; 1 teaspoon Vanilla extract; 3/4 cup Sugar; 1/3 cup Pecans ((chopped small, lightly roasted for crust)); 1/4 cup Pecans ((chopped medium, topping)); 1/2 cup Ritz Crackers ( (chopped in fine pieces, lightly roasted for crust)); 12 ounces Whipped Topping ( (Cool-Whip))