Baked Cheese Sandwiches

8 slices cheddar cheese
8 slices white bread
1/2 cup chopped onions
2 eggs, slightly beaten
1/8 tsp. dry mustard
1/8 tsp. garlic salt
2 cups milk
1 tsp. salt

Arrange 4 slices of bread in bottom of 9x9x2-inch pan. Cover each slice with chopped onions and a slice of cheese. Cover with remaining bread and top with cheese. Combine milk, eggs, salt, mustard and garlic salt. Pour over the stacked bread and cheese. Bake in a moderate oven (350 degrees) for 35 minutes. Do not overcook! Serve with a dash of chili sauce.