Prepare rice in boiling salted water according to package instructions. Place the beans in a sieve, rinse briefly under cold water and drain well. Cut broccoli into very small florets and blanch in salted water for 2-3 minutes. Drain and rinse under cold water. Peel and finely dice the onion
Heat 1 tablespoon of oil in a saucepan. Sauté diced onions for 1-2 minutes, then add tomatoes and stock. Season the sauce with salt, pepper and a little sugar and simmer covered for about 15 minutes
Drain the rice. Add yoghurt, herbs, breadcrumbs and egg and mix. Season the mixture with salt and pepper and form 12 roasts with wet hands. Heat 1-2 tablespoons of oil in a coated pan and fry the roastings in portions for 5-6 minutes until golden brown
Chop the tomatoes in the sauce with a spatula or fork. Add the beans and broccoli and season the sauce again. Arrange 3 roastings and sauce on each plate