Breakfast Casserole - cooking recipe

Ingredients

6 green onions, chopped
1 green or red pepper, chopped
1 pt. mushrooms, sliced
16 slices bread, cut into cubes
1 (8 oz.) pkg. grated Swiss cheese
1 (8 oz. pkg. grated Cheddar cheese
1 doz. eggs
2 c. milk
2 tsp. prepared mustard
3 Tbsp. margarine, melted

Preparation

Combine vegetables, bread and cheeses in greased 8 x 10 x 2-inch pan.
Combine eggs, milk and mustard; pour over vegetable mixture.
Cover and refrigerate 6 hours or overnight.
Bake at 325\u00b0 for 60 to 65 minutes.
Before done, drizzle melted margarine over casserole and bake until done.
Let stand 10 minutes.
Serve.