If frozen, thaw the quenelle buns for 30 min. Then cut into 1 inch slices.
Wash the green bell pepper, remove the stalk and seeds, then chop.
Peel the garlic, remove the germ and chop finely.
Peel and finely chop the red onion.
Wash and chop the kale.
Peel the sweet potato. Cut into 1/2 inch cubes.
Step 2 :
Put 2 tbsp of oil in a very large frying pan or sauté pan, then add the bell pepper and the red onion. Fry over medium heat for about 8-10 minutes until the vegetables are soft. Remove vegetables from pan and put to one side.
Put the remaining 2 tbsp of oil in the same pan and sauté the sweet potato cubes and quenelle buns slices for about 8-10 min (turning the quenelles buns to color both sides).
Add the chili, kale and cooked peppers and onions. Stir well and cook for a few more minutes.