In a frying pan, slightly brown seasoned potatoes and Veggie Breakfast Patties in 1/2 tablespoon oil over medium-high heat.
Add butter (if using) and 1/2 tablespoon oil to pan along with onions and mushrooms, and cook for 3-4 minutes or until onions are cooked and all liquid is evaporated.
Add peppers, season vegetables in pan with salt and pepper and cook for 1 minute.
Add potatoes, diced patties, stir in egg whites or eggs, turn heat to medium-low, cover pan and cook until eggs are cooked through. Do not stir.
