I learned this recipe in a restaurant! Juicy chicken in just a few minutes

I learned this recipe in a restaurant! Juicy chicken in just a few minutes Ingredients: an entire chicken: 1 pc tomatoes: 2 pc onion: 2 pc garlic: 10 g (0.4 oz) salt: 10 g (0.4 oz) black pepper: 5 g (0.2 oz) dried rosemary: 5 g (0.2 oz) potatoes: 500 g (18 oz) soft butter: 100 g (3.5 oz) OVER MEDIUM FIRE: 50 MIN “Follow us on: Facebook: Instagram: “