Macaroni and Cheese

4 cups macaroni
3 tbsp flour
3 tbsp butter
2 cups milk
2-3 cups old cheddar cheese (grated)
1/4 tsp dried mustard (optional)
1/2 cup buttered bread crumbs

Butter 9 x 13 inch glass pan or 2 quart casserole. Preheat oven to 350 F

Make white sauce by melting butter and adding mustard and flour. Can be made in microwave or saucepan over medium heat. Stir flour and mustard into butter and continue cooking for 30 seconds. Slowly add milk and return to heat. Bring to boil stirring often.

Remove from heat and add grated cheddar cheese.

In the meantime cook macaroni until tender. Drain and rinse and put in casserole dish. Pour cheese sauce over macaroni and gently mix. Sprinkle with breadcrumbs and bake 35 - 40 minutes until bubbling.