Preheat the oven to 350 degrees. Prepare two muffin tins with muffin cups or by spraying with non-stick cooking spray.
In a large bowl, combine puree, eggs, and maple syrup.
Combine flour, oats, pumpkin spice, baking soda, and salt. Add to wet ingredients and stir until just combined.
Fold in the walnuts, and chocolate chips.
Add coconut oil and stir once more.
Spoon into prepared muffin tins, filling approximately ¾ of the way.
Bake for 15-20 minutes, until cooked all the way through.