Wash the potatoes and cook in boiling water for about 20 minutes. Wash the meat, dab dry and cut into bite-sized pieces. Peel onions. Peel garlic and press it through a garlic press. Wash, clean and halve the tomatoes.
Wash herbs, dab dry and cut finely. Drain potatoes, rinse with cold water and peel. Heat butter in a pan. Fry boiled potatoes and onions for about 5 minutes until golden brown. Add garlic and steam. Add lamb and fry for about 3 minutes. Season with salt and pepper. Add cherry tomatoes and warm up. Fold in herbs.
Add lamb and fry for about 3 minutes. Season with salt and pepper. Add cherry tomatoes and warm up. Fold in herbs. Drizzle with vinegar and olive oil and toss. Season again and garnish with basil