Clean and wash the cauliflower and divide it into florets. Cook in boiling salted water for 6-8 minutes and drain. Peel onions and garlic. Chop the onions finely. Heat oil in a pan and fry the minced meat in it over high heat until golden brown all around.
Assaisonner avec du sel et du poivre. Pressez l'ail dans un presse-ail et ajoutez-le à la viande avec les oignons. Faire frire à feu moyen pendant 2 à 3 minutes. Ajouter la pâte de tomate et mélanger.
Deglaze with the chunky tomatoes and bring to the boil. Let it boil down at low heat while stirring for 2-3 minutes. Wash basil, dab dry, pluck leaves from the stalk and chop finely. Stir the basil into the chopped sauce and fill into a lightly greased casserole dish.
Spread the cauliflower on top. Season the sour cream with salt and pepper and pour it over. Sprinkle with breadcrumbs. Spread butter flakes on top and bake in the preheated oven (electric: 200 °C/ gas: level 3) for 25-30 minutes.
Serve garnished with basil as desired.