Spinach Souffle - cooking recipe

Ingredients

1/4 cup onion, chopped
1 tablespoon butter
3 eggs, separated
white sauce
1 cup chopped spinach, cooked and drained
1/2 cup parmesan cheese, grated
White Sauce
2 tablespoons butter
2 tablespoons flour
1 cup milk or 1 cup light cream
1/2 teaspoon salt
1/8 teaspoon pepper

Preparation

Preheat oven to 350 degrees.
Saute onion in butter.
Beat egg yolks until thick and lemon-colored.
Stir into hot white sauce along with spinach and cheese.
Fold in egg whites beaten until stiff, not dry, peaks are formed; turn into greased 1 1/2 qt casserole.
Set in pan of hot water and bake about 50 minutes.
White Sauce: Melt butter, stir in flour and heat until bubbly.
Gradually add milk or cream, stirring constantly; cook 1-2 minutes.
Season with salt and pepper.
Makes about 1 cup.
Serve immediately.