Preheat oven to 275

Cut brown paper bag to line two cookie sheets

Combine egg whites, sugar, vanilla, and salt. Beat until frothy and soft peaks begin to form.

While continuing to beat the egg whites, slowly add sugar a spoonful at a time.

Beat until all the sugar is added and stiff peaks form.

Line an icing bag with yellow and orange food coloring. 

Add meringue to the icing bag and pipe cookies onto paper lined cookie sheets.

Bake 40 minutes. Turn off heat and crack oven. Remove cookies when cool.