Chocolate Pecan Pie
["2 egg whites", "1/8 tsp. salt", "1/8 tsp. cream of tartar", "1/2 c. sifted granulated sugar", "1/2 c. chopped pecans", "1/2 tsp. vanilla"]
["Beat egg whites, salt and cream of tartar together, then gradually add sugar.", "Fold in nuts and vanilla.", "Bake at 300\u00b0 for 20 to 30 minutes.", "Let cool."]
["egg whites", "salt", "cream of tartar", "sugar", "pecans", "vanilla"]