Preheat oven to 350 degrees F.
Spray a 13x9 baking dish with cooking spray.
In a heavy skillet on stove top, cook sausage, drain and set aside.
Cook bacon, remove from pan and set on cutting board.
Drain pan and wipe clean.
Add oil to pan and heat.
Cook peppers until soft, remove from pan and drain if necessary.
In a large bowl, whisk eggs.
Add milk, 1 ½ cups cheddar and swiss cheeses, and seasonings, whisk until well combined.
Stir in peppers, sausage and bacon.
Pour into prepared 13x9 baking dish.
Top with Tater Tots.
Bake for 50-55 minutes or until bubbly and eggs are set.
Remove from oven and add additional cheese, if desired.
Return to baking for 3-4 minutes or until cheese is melted and bubbly.
Remove from oven to wire rack, let set 5-10 minutes before serving.