Clean the Brussels sprouts. Peel the carrots, potatoes, onions and clove of garlic. Halve the large Brussels sprouts, slice the carrots and dice the potatoes. Cut the spring onions into slices, finely dice the onion and clove of garlic.
Heat the rapeseed oil in a pan, fry the minced meat in it until crumbly and season with salt and cumin. Transfer to a large saucepan.