Peel and wash the sweet potatoes and cut them into sticks. Season with sea salt and sprinkle with 2 tablespoons of oil. Distribute on a baking tray. In a preheated oven (electric cooker: 225 °C/ convection oven: 200 °C/ gas: see
manufacturer) cook for about 20 minutes. Wash the rosemary and thyme, shake dry and remove the needles or leaves from the stems and chop finely. Carefully turn the potatoes after about 10 minutes and sprinkle with the herbs.
Peel and finely dice 1 onion. Knead minced meat, egg, breadcrumbs and diced onion, season with salt and pepper. Chop the almonds finely. Wash, clean and finely dice the bell peppers. Crumble feta and mix with paprika and almonds.
Form 8 meatballs from the mince mixture, filling each with 1/2 tsp. feta-pepper mixture. Heat 2 tablespoons of oil in a frying pan, fry the meatballs on each side for about 4 minutes at medium heat, remove.
Peel the remaining onions and cut into fine rings. Heat 1 tablespoon of oil in a frying pan, sauté the onions and caramelise with sugar. Take the chips out of the oven. Arrange meatballs, chips and onions on a plate.