2
In small saucepan, melt 2 tablespoons butter. Add flour; cook 1 minute. Stir in milk. Cook until mixture boils and thickens; cool slightly.
3
In small skillet, melt remaining 1 tablespoon butter. Add eggs; cook and stir until soft scrambled. Remove from heat. Stir in milk mixture.
4
Spoon egg mixture over bread shell. Top with Canadian bacon, cheese, mushrooms and onions. Bake 20 minutes or until cheese is melted and bubbly.