Wash the rosemary and dab dry. Remove the needles from 2 twigs and chop finely. Knead minced meat, breadcrumbs and rosemary. Season with salt and pepper. Form into 24 small balls and put 3 on each skewer.
Heat 1 tablespoon of oil in a frying pan. Fry meatballs in 2 portions while turning for 6-8 minutes. In the meantime, segregate the spinach, wash and pat dry well. Wash, clean and halve the radishes and cut into quarters except for 1.
Clean and wash the spring onion and cut into fine rings. Season vinegar with salt, pepper and sugar. Add 3 tablespoons of oil. Mix spinach, radishes and leek onion rings with the vinaigrette.
Garnish skewers with rosemary twigs. Arrange salad and skewers on a plate and garnish with radish halves.