Blueberry Torte
["1 1/2 c. plain flour", "1 1/2 sticks margarine, melted", "1 c. chopped pecans", "1 (8 oz.) pkg. cream cheese, softened", "1 1/2 c. powdered sugar", "1 tsp. vanilla", "Cool Whip", "1 qt. blueberries, fresh or frozen", "1/2 c. sugar", "1 1/2 Tbsp. cornstarch", "1 tsp. lemon juice", "1 tsp. cinnamon", "1/4 to 1/2 c. water"]
["Mix flour, margarine and pecans; spread over bottom of 13 x 9 x 2-inch pan.", "Bake at 350\u00b0 for 20 minutes.", "Chill."]
["flour", "margarine", "pecans", "cream cheese", "powdered sugar", "vanilla", "blueberries", "sugar", "cornstarch", "lemon juice", "cinnamon", "water"]