1.Preheat oven to recommended temperature on package.
2.Toss defrosted sweet potato fries in oil and bake on parchment lined baking tray according until tender, checking every 15 minutes so they don’t burn or dry out.
3.Place fries in a large bowl. Add beans, flour, tahini, maple syrup, garlic powder, spices and seasonings to the bowl and mash.
4.Cover and refrigerate until the mixture is firm enough to easily handle (15-20 minutes).
5.The mixture will be soft and moist, so fold in ¼ breadcrumbs until you can form patties.
6.Heat 1 tbsp oil over high heat in a sauté pan.
7.Form 5 patties and coat them with some breadcrumbs, then place in the hot pan and cook 2-3 minutes each side or until browned.
8.Transfer to a paper towel.Meanwhile, slice buns, lightly butter and toast.
9.Assemble on 1 patty and toppings.
10.Ready to serve. As a bonus, you may serve with additional sweet potato fries.