Cut onions into thin slices; separate into rings. Place onion rings in an ungreased 1-1/2 quart casserole. Melt butter in saucepan; blend in flour, and gradually stir in milk. Cook, stirring constantly, until thickened. Add salt, pepper and cheese; stir until cheese has melted. Pour sauce over onions. Bake, uncovered, at 325°F for approximately 45 minutes.
Instructions
Cut onions into thin slices; separate into rings. Place onion rings in an ungreased 1-1/2 quart casserole. Melt butter in saucepan; blend in flour, and gradually stir in milk. Cook, stirring constantly, until thickened. Add salt, pepper and cheese; stir until cheese has melted. Pour sauce over onions. Bake, uncovered, at 325°F for approximately 45 minutes.
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