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Export 10 ingredients for grocery delivery
Step 1
Preheat oven to 425 degrees.
Step 2
Cook macaroni according to package directions. Drain and run under cold water.
Step 3
Melt butter over medium heat in a large saucepan. Whisk in flour and let cook 2 minutes while stirring. Slowly whisk in cream, milk, mustard powder onion powder, salt and pepper to taste. Cook over medium heat while stirring until thickened.
Step 4
Remove from heat and stir in parmesan cheese & 3 cups cheddar cheese until melted. Add soup if using.
Step 5
Toss cheese sauce & macaroni noodles together. Pour into a greased 9×13 pan. Top with remaining cheese.
Step 6
Bake 18-24 minutes or until bubbly. Do not over cook. Cool 10-15 minutes before serving.