✅ 1000 grams of champignons (you can use porcini or oyster mushrooms, 50/50)
✅ 300 grams of onions
✅ 500 grams of potatoes
✅ 4 cloves of garlic
✅ Vegetable oil/butter
✅ Salt and pepper to taste
✅ 500 ml of cream sauce or heavy cream
✅ Truffle oil, for serving
✅ White bread croutons, for serving