Instructions: Cook macaroni according to package direction. In saucepan saute onion in butter until tender. Stir in flour, mustard and pepper: cook 1 minute.

Blendin milk; cook stirring constantly, until thickened. Add cheddar, cottage and parmesan cheeses; stir until melted. Combine macaroni and sauce mixture; mix well. Por into 8 cup (2L) baking dish. Top with bread crumbs.

Bake at 350F aboyt 30 minutes.

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