Make Ahead Scrambled Eggs

12 eggs
1 cup potatoes (diced and cooked)
1/4 cup green onion
3 Tb Butter
add beaten eggs and scramble until set
Fold in 3 oz. mushrooms

Cheese Sauce
2 Tb butter
2 Tb flour
1/2 tsp. salt
1/8 tsp pepper
Stir and cook until bubbly. Add 2 cups milk, cook, then add 1 cup cheese. Stir eggs into cheese sauce and place in a 7x1272 pan and bake 350 degrees for 30 minutes.