Step 1

Preheat oven to 350°F and spray a 9x13-inch baking dish with nonstick spray.

Step 2

In a large skillet over high heat, brown sausage until cooked through, about 7 minutes. Remove from pan and drain fat.

Step 3

In a large bowl, whisk together 6 of the eggs, 1/4 cup milk, green chiles, salt, and pepper.

Step 4

Melt butter in skillet over medium heat, and add egg mixture, scrambling them until just cooked.

Step 5

Add remaining eggs to mixing bowl, along with 1 cup milk and whisk to combine. Season with salt and pepper.

Step 6

Layer half of the tortillas in the bottom of the baking dish, then top with half of the cheeses. Top with half the salsa, then the scrambled eggs, sausage, green onion, and remaining salsa.

Step 7

Top with remaining flour tortillas, then pour the egg/milk mixture evenly over the top. Top with remaining cheese and bake 35-40 minutes. Enjoy!

Step 8

Note: To make ahead, refrigerate casserole just before the baking step up to overnight. Bake 5-10 minutes longer if chilled.