Preheat oven to 325f and line cookie sheets with parchment.
Combine wet ingredients. Add flour and oats.
Place dough between two sheets of waxed paper and roll to ½ to ¼-in thickness.
Cut with festive cookie cutters.
If dough is soft, drop by teaspoons onto parchment and flatten slightly.
Brush with egg whites. (Optional)
Bake 20-30 minutes until brown and no longer moist.