1/4 tsp. cream of tartar
1/8 tsp. salt
2/3 cup white sugar
1/2 tsp. vanilla
Preheat oven to 200F. Line cookie sheet with brown paper bag or parchment. In a medium sized bowl at high speed, beat egg whites, cream of tartar and salt till fluffy. Gradually beat in sugar. Add vanilla.
Place in pastry bag fitted with a medium plain piping tip. Pipe 3" bone shapes onto parchment or brown paper bag. Bake 1 hour until set. Turn off oven, dry in oven 1 hour. Be sure to store in airtight containers or they will become soggy.
Makes 4 to 5 dozen small finger-sized bones.