2 egg whites
2 c. powdered sugar
2 c. pecans, chopped
1 tsp. vanilla
1 tsp. white vinegar

Beat egg whites until stiff but not dry. Gradually add powdered sugar, vanilla and vinegar. Fold in pecans. Drop by teaspoon on greased and floured cookie sheet. Bake for 10 to 12 minutes at 300 degrees.