1Spray Belgian waffle maker with cooking spray. Heat waffle maker.
2In medium bowl, stir together crushed cereal, Bisquick mix, egg and milk until blended. Stir in turbinado sugar. Spoon half of the batter onto hot waffle maker. Close lid; bake about 5 minutes or until steaming stops. Carefully remove waffle to serving plate. Repeat with remaining batter.
3Top waffles with lemon pie filling and whipped topping. Sprinkle with blueberries and additional cereal. (Waffles are large; cut in half to serve, if desired.)