Onions Au Gratin - cooking recipe

Ingredients

2 lb. small onions or 3 cans, drained
4 Tbsp. butter or margarine
4 Tbsp. flour
2 1/2 c. milk
3/4 tsp. salt
1/4 tsp. white pepper
3/4 c. grated American cheese

Preparation

If using fresh onions, parboil for 10 minutes; drain and place in au gratin dish. Melt butter or margarine; stir in flour and mix until smooth.
Stir in milk, salt and pepper.
Stir constantly. Cook until thick; remove from heat and add grated cheese.
Stir until cheese is melted.
Pour over onions.
Bake in a 350\u00b0 oven for 45 minutes or until lightly brown and bubbly.