Peel and finely chop the onion. Drain the corn and bean mixture. Knead minced meat, onion, breadcrumbs, corn mixture, egg and aiwar. Season with salt and pepper. Form 4 oval small meatloafs from the mixture.
Line baking tray with baking paper, place roast on top. Cook in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 35-45 minutes. Wash, clean and chop the tomatoes. Peel garlic and chop finely.
Wash the coriander, dab dry, set aside some for garnishing, chop the rest finely. Mix tomatoes with garlic, coriander and oil. Season to taste with salt and pepper. Serve meatloaf with tomato salsa.
Tortilla chips. Dust with paprika powder.