Cook quick grits according to package instructions
Preheat oven to 350 F
Spray a 2-quart sized baking dish with non-stick cooking spray
Beat eggs in a bowl and temper them by adding in a spoonful or two of hot grits and stirring, then pour into remaining grits
Combine all remaining ingredients (except bacon and onion) with the grits and pour into baking dish
Top with a handful of additional cheese and bake for 45 minutes
Remove from oven and top with bacon bits and green onion and serve!