Wash the meat, dab dry and cut into bite-sized cubes. Heat 1 tablespoon of oil in a pan. Fry the meat for 4-5 minutes, season with salt and pepper.
Clean and clean the mushrooms. Take out the meat and let it cool down. Add 1 tablespoon of oil and mushrooms to the pan. Fry the mushrooms for about 5 minutes until golden brown. In the meantime wash and dry the tomatoes.
Add the tomatoes to the pan and fry over a high heat for about 1 minute. Season with salt and pepper, take out and let cool down. Meanwhile peel the mango, cut the flesh off the stone and dice.
Put mango, meat, mushrooms and tomatoes on cocktail skewers, arrange on a plate and garnish with rosemary. Add Sambal Oelek.