COMBINE flour, sugar and baking powder in large bowl with whisk. Add milk, egg product and margarine; mix well. Let stand 30 min.
SPRAY 6- to 8-inch skillet with cooking spray; heat on medium heat. Pour 1/4 cup batter into skillet; tilt skillet to evenly cover bottom with batter. Cook 1 to 2 min. or until bottom of crêpe is lightly browned. Run spatula round edge of crêpe to loosen from pan; turn crêpe. Cook 1 min. or until bottom of crêpe is lightly browned. Remove from skillet; set aside. Repeat with remaining batter to make a total of 16 crêpes.
BLEND raspberries in blender until smooth; strain to remove seeds. Remove 3 Tbsp. raspberry purée; place in medium bowl. Add sour cream and extract; mix well. Gently stir in COOL WHIP.
SLICE bananas. Spoon about 2 Tbsp. COOL WHIP mixture onto center of each crêpe. Top with bananas. Fold opposite sides of each crêpe over filling. Serve topped with remaining raspberry purée.