In pan heat your sausage, onion and peppers on medium heat until sausage is cooked and veggies are tender, set aside.
Place about 2/3 cup of your filling mixture into center of a tortilla, top with 2 Tbs of cheese and roll up and place seem side down in a 11x7" baking dish.
Repeat until all tortillas are filled.
In bowl mix together your eggs, milk, salt, pepper and hot sauce and pour over enchiladas.
Cover with tinfoil and refrigerate 8 hours or overnight.
When ready to bake preheat oven to 350.
Sprinkle about 1 cup of cheese over the top of the enchiladas and recover and bake for about 30 minutes then remove foil and continue baking until eggs are set and cheese is melted.
Serve with desired toppings.