1/4 c. butter (1/2 stick)
1/4 c. flour
1 tsp. salt
1 tsp. seasoned salt
1/4 tsp. pepper
2 c. milk
1 (10 oz.) pkg. frozen peas, partially defrosted and broken apart
1 lb. sm. white onions
1 lb. potatoes, peeled and sliced
1 c. shredded Swiss cheese

Melt butter in saucepan over low heat; blend in flour, salts, and pepper. Add milk, stirring constantly. Cook and stir until sauce is smooth and thickened. Arrange 1/2 of the peas, onions, and potatoes in a buttered 1 1/2 quart shallow casserole. Spoon 1/2 the sauce over vegetables, sprinkle 1/2 the cheese over sauce. Repeat. Bake at 375 degrees until vegetable are tender, about 1 hour. Serves 6.