Pecan Wafers
["3 egg whites", "1/8 tsp. salt", "1 1/4 c. light brown sugar, firmly packed", "3 Tbsp. melted butter", "1 tsp. vanilla", "2 Tbsp. all-purpose flour", "1 c. finely chopped pecans"]
["Cover large cookie sheet with foil; grease with vegetable shortening.", "Preheat oven to 350\u00b0."]
["egg whites", "salt", "light brown sugar", "butter", "vanilla", "flour", "pecans"]