In medium bowl, add butter, maple syrup, egg and vanilla, stir until creamy.Blend in oats, GF flour and oat flour.Fold in raisins, carrots and walnuts.Roll dough into 15 large gum ball size balls and place on parchment paper lined dish.Place in refrigerator to set for 30 minutes.Preheat oven to 350 degrees F.Place balls on cookie sheet about 2 inches apart. Gently press on top of cookie with spatula to flatten top of cookie.Bake for 6 minutes.