Created by Felix4067 on August 7, 2013
Step 1: Preheat oven to 350F; spray a 9-inch deep-dish glass pie plate with nonstick cooking spray.
Step 2: Lay zucchini slices in bottom of plate, stacking if necessary but leaving gaps between.
Step 3: Lay summer squash slices over zucchini layer.
Step 4: Lay grape tomato halves, cut sides down, over summer squash.
Step 5: Lay green pepper rings on top of tomato (number of rings depends on size)
Step 6: Whisk together eggs, milk, dry mustard, garlic powder, Italian-Romano seasoning blend, and Parmesan cheese; pour over vegetables.
Step 7: Bake at 350F for 50 minutes.
Step 8: Sprinkle top with shredded extra-sharp cheddar cheese and bake an additional 10 minutes, until cheese is melted.
Step 9: Let stand 5-10 minutes before slicing.