Preheat oven to 350 degree F.
Poke 20 fork pricks into the crust.
Pre-bake crust for 10 mins, and then remove from oven.
In a medium sized frying pan, pan-fry the onions, and broccoli with the oil and season for 3 mins.
Add in the tomatoes and pan fry for another 3-5 mins. Once done, set aside.
In a mixing bowl, Add eggs, yolks, and milk- beat until combined.
Add cheese to pie crust, then veggies, and pour over eggs
Bake for 30-35 mins or until done. If crust is browning too much, loosely cover Quiche with a sheet of foil.
Allow quiche to set for at least 15 mins.
Enjoy warm! Leftovers can be placed in the refrigerator, and placed in a microwave, or toaster oven to reheat.