Cheese Sauce - cooking recipe

Ingredients

3 tablespoons butter
3 tablespoons flour
1 teaspoon dry mustard
1 teaspoon salt
1/2 teaspoon pepper
2 1/2 cups milk
1 1/2 cups cheddar cheese, shredded

Preparation

Place 2 T butter in round 2 qt baking dish.
Cook on high 1 minute until melted.
Blend in flour, mustard, salt and pepper until smooth.
Slowly whisk in milk.
Cook on high 7 to 9 minutes, stirring several times, until mixture thickens slightly.
All 1&1/2 C cheese and stir until melted.