1Heat oven to 400°F. Spray 9-inch deep-dish glass pie plate or 8-inch square (2-quart) baking dish with cooking spray. Sprinkle ham, turkey and cheeses in pie plate.
2In medium bowl, stir eggs, milk, dressing mix and Bisquick mix with fork or whisk until blended. Pour into pie plate.
3Bake 30 to 35 minutes or until knife inserted in center comes out clean. Let stand 5 minutes before serving. Top each serving with lettuce and tomatoes.