Peel and slice the potatoes. Heat oil in a coated pan, fry potato slices for about 10 minutes, turning them several times until golden brown. In the meantime, clean and wash spring onions and cut into wide rings.
Wash, clean and halve the tomatoes. Wash the thyme, dab dry, put some aside for garnishing, chop the rest finely. Remove the potatoes from the pan and let them drip off on kitchen paper. Add the minced meat to the frying fat and fry until crumbly, turning.
Add spring onions and thyme and fry for 2-3 minutes. Add tomatoes, add 150 ml water, bring to the boil. Stir in broth and simmer for 2-3 minutes. Fold in potatoes and olives and season with salt and cayenne pepper.
Garnish with thyme put aside.