Onion Cheese Sauce

Ingredients:
- 1 small onion, chopped
- 2 tablespoons butter
- 2 tablespoons all-purpose flour
- Salt and pepper to taste
- 1-1/4 cups milk
- 1-1/4 cups shredded cheddar cheese

Directions:
- In a saucepan, saute onion in butter. Stir in the flour, salt and pepper until blended. Gradually add the milk.
- Bring to a boil; cook and stir for 1-2 minutes or until thickened. Reduce heat. Add the cheese; cook and stir until cheese is melted.