Preheat the oven to 350 degrees. Grease a 9x13 inch baking dish.
In a large skillet, cook the sausage until browned. Add onion, jalapeño, and bell pepper. Cook over medium-high heat until veggies are softened.
Place crushed tortilla chips into baking dish and then layer with cooked sausage mixture.
Whisk together the eggs and milk, then pour into baking dish.
Spread salsa over egg mixture and sprinkle with cheese evenly.
Cover with foil and bake for 30 minutes, then uncover and bake for 5 more minutes or until cheese is browned.
Remove from oven and top with your favorite mexican toppings!