Peel and roughly dice the onion. Heat the olive oil in a pot, sauté the onions and stir in the tomato paste. Deglaze with broth, bring to the boil and cook for 1-2 minutes. Stir in the sauce thickener and bring to the boil again briefly. Drain corn and beans, add to the hot sauce and warm up.
Season to taste with salt and chilli. Put 4 Taco-Shells on a baking tray and heat them up in a preheated oven (electric cooker: 175°C/ gas: level 2) for 2-3 minutes. Wash the chives, dab dry and cut into fine rolls. Put the filling into the hot taco shells and serve sprinkled with chives. Results in 4 pieces
Preparation time 15-20 minutes. Per person: approx. 2600 kJ/ 620 kcal. E: 26 g, F: 15 g, KH: 90 g