Mix in peanut butter, oatmeal, cinnamon, and chopped walnuts*For this recipe to truly contain no added sugar - check the label and ingredient list on your peanut butter!
Transfer to a square 8x8in baking dish
Bake for ~15-18 minutes...until firm and edges just begin to brown
Allow to cool and cut into 9 servings
Store in airtight container in fridge
Notes
Nutrition facts will vary depending on specific items and amounts used.