Peel and finely chop the onion and clove of garlic. Simmer in the oil until translucent. Dust with cumin and paprika and sauté briefly.
Clean the green beans, cut them into small pieces and add them to the onions in the saucepan, pour in 150 ml of water and cook for about 5 minutes. Drain the red and white beans, rinse briefly and add to the saucepan, as well as the spinach and chopped tomatoes. Season to taste with salt and pepper and cook for another 15 minutes.