Really Great Macaroni & Cheese - cooking recipe

Ingredients

1 lb sharp cheddar cheese
1 lb elbow macaroni or 1 lb rotini pasta
3 tablespoons butter
1 small onion, chopped
3 tablespoons flour
sea salt
fresh ground pepper, to taste
2 cups milk

Preparation

Preheat oven to 375 degrees and get a large pot of water boiling.
Cube the cheese.
Start cooking the pasta while preparing the cheese sauce.
Saute onion in butter until soft and transparent.
Add flour, salt and pepper, cooking for one minute.
Add milk slowly, continuously stirring.
Cook over medium heat until the mixture thickens.
Add cheese gradually until all the cheese is melted.
When pasta is al dente, drain pasta and pour cheese sauce into the pot and stir well.
Pour into a 13 x 9 (or slightly larger) baking pan that's been sprayed with Pam.
Bake for 30 (minimum) to 40 minutes.