Preheat oven to 350 degrees.

Cook the sausage and mushrooms together until the sausage is browned. Drain any grease.

Add the spinach and continue to cook until the spinach is wilted.

Whisk together the eggs in a bowl and add salt and pepper

Grease a 13x9 pan and place the sausage and veggies in the bottom.

Pour the egg mixture over the top.

Bake for about 35 minutes until the egg bake is completely set.