1Heat oven to 350°F. Spray 9-inch glass pie plate with cooking spray.
2In food processor or blender, place egg product, water, Bisquick mix, dry milk, yogurt, Parmesan cheese, mustard and pepper sauce. Cover; process 1 minute or until smooth. In medium bowl, stir egg product mixture, Cheddar cheese, ham and chopped onions until well blended. Pour into pie plate.
3Bake 40 minutes or until knife inserted in center comes out clean. Let stand 5 minutes before cutting. Garnish with cherry tomatoes and sliced onions.