1Lightly spray waffle maker with cooking spray; heat waffle maker. In large bowl, mix all-purpose flour, whole wheat flour, oats, baking powder and salt. In small bowl, mix soymilk, oil and egg product until well blended. Add soymilk mixture to flour mixture all at once; stir just until large lumps disappear. Gently stir in blueberries.
2Pour slightly less than 1 cup batter onto center of hot waffle maker, spreading batter to edges. (Check manufacturer's directions for recommended amount of batter.) Close lid of waffle maker.
3Bake 3 to 5 minutes or until waffle is golden brown and steaming stops. Carefully remove waffle. Serve immediately. Repeat with remaining batter. Serve with syrup or fruit.