In a large skillet coated with cooking spray, saute bananas with brown sugar. Stir in banana extract. In a small bowl, beat cream cheese until smooth. Add banana mixture; beat well. Spread on four slices of bread; top with remaining bread.
In a shallow bowl, whisk the eggs, milk, cinnamon and vanilla. Dip both sides of sandwiches in egg mixture.
In a large skillet, toast sandwiches in butter for 2-3 minutes on each side or until golden brown.
Meanwhile, in a small saucepan, combine the strawberries, blueberries and sugar; heat through. Serve with French toast; sprinkle with confectioners' sugar.
1 stuffed french toast with 1/4 cup berries (calculated without confectioners' sugar): 496 calories, 22g fat (13g saturated fat), 167mg cholesterol, 659mg sodium, 58g carbohydrate (29g sugars, 5g fiber), 17g protein.