Preheat oven to 350ºF. Line an 8” x 8” baking pan with parchment and set aside.
Whisk together flaxseed meal and water and set aside. Allow to gel for 3 - 4 minutes.
Beat together applesauce and peanut butter until creamy. Add sugar and flax eggs, and beat until combined.
Add quinoa flour, oats, baking soda and salt and mix until incorporated. Fold in chocolate chunks (or chips).
Transfer batter to the prepared baking pan. Press it into the corners of the pan using wet hands or a pastry roller. Bake on the center rack for 20 - 22 minutes.
Let the bars cool in pan completely before slicing. Bars can be stored in an airtight container at room temperature for up to two days.
Video
Notes
Store peanut butter oatmeal bars in an airtight container at room temperature for 4 to 5 days.