Sensational Breakfast Casserole

Ingredients

• 1/2 small onion, chopped
• 1/2 green pepper, chopped
• 1/2 red pepper, chopped
• 1/2 package lean ground sausage (if using a pre-cooked sausage, omit step 1)
• 1/2 teaspoon garlic salt
• 1/4 teaspoon pepper
• 1/2 teaspoon dry mustard
• 1 1/2 cups egg whites or a mix of whites and whole eggs (You can use whole eggs, but it changes the calorie count).
• 1/2 cup skim milk
• 3 wedges Garlic and Herb Laughing Cow cheese
• butter to grease pan