Preheat oven to 350F.
In a large pan, brown the meat, green peppers, onions, garlic.
Drain the excess oil.
Stir in taco seasoning. (add 1/2 cup water and reduce if there's clumps)
In another bowl, combine the eggs and half the cheese.
Pour the meat mixture into a casserole dish.
Cover with egg mixture.
Lightly stir to let the egg mixture spread down.
Cover with remaining cheese.
Bake uncovered for 25 minutes, until cheese is bubbling.
Remove from oven, add favourite taco toppings, and serve.