Green Beans and Carrots Souffle

1. Boil green beans and carrots until tender. Drain and slice into small pieces. Set aside. 2. In the microwave heat milk for 2 minutes on high. Melt margarine in a large saucepan over medium heat, add onion and cook for 3 minutes. 3. Add flour whisking a little at the time until it forms a consistent ball. Continue whisking and add milk (1/2 cup at a time), cook until it thickens. 4. Add cooked vegetables, egg yolks and parmesan cheese to the mixture. 5. Beat egg whites and add to the mixture. Add baking powder. 6. Coat a 8x8 baking dish with cooking spray and pour in mixture, sprinkling a parmesan cheese on top. 7. Bake for 20 minutes at 350° F (175° C) or until golden on top and toothpick comes out clean from the center.