Forgotten Dessert - cooking recipe

Ingredients

7 egg whites
1 tsp. cream of tartar
1/8 tsp. salt
1 1/2 c. sugar
1 pkg. lemon or chocolate pie filling
whipped cream

Preparation

Heat oven to 450\u00b0.
Beat egg whites, cream of tartar and salt until foamy.
Add sugar slowly; beat to a very stiff meringue. Grease 9 x 13-inch Pyrex pan.
Add meringue.
Place in oven; turn off the heat immediately.
Do not open door.
Leave in oven overnight.