- 1/2 cup butter, softened
- 1/4 cup white sugar
- 1/4 cup brown sugar
- 1 egg white, beaten until foamy
- 1/4 cup unsweetened applesauce
- 1 large naval orange, zested and juiced
- 1 cup whole wheat flour
- 1 cup quick-cooking oats
- 3/4 cup chopped walnuts (optional)
- 1/2 teaspoon baking soda
- 1/2 teaspoon cream of tartar
- 1/2 teaspoon ground cinnamon
- Preheat oven to 350 degrees F (175 degrees C). Line 2 baking sheets with parchment paper.
- Beat butter, white sugar, and brown sugar with an electric mixer in a large bowl until smooth. Stir egg white and applesauce into butter mixture until just combined into a dough. Add orange juice with pulp and orange zest to the dough; stir.
- Mix flour, oats, walnuts, baking soda, cream of tartar, and cinnamon in a separate bowl; fold into the dough until evenly incorporated.
- Drop by heaping tablespoon onto prepared baking sheets.
- Bake in preheated oven until bottom of cookies are lightly browned, 10 to 12 minutes. Cool on baking sheets 2 to 3 minutes before moving to wire racks to cool completely.