Put the butter in a pot over medium heat, let the butter get melted then add the minced meat, the onion, and the garlic and let them cook form 2 to 3 minutes now add the mushroom, season the mixture with some salt, close the pot, and let everything cook for 10 to 15 minutes (stir them from time to time).

Now that they're cooked enough. Serve the dish in a bowl with some toasted bread.