Many fillings can be used, and the dish is typically baked or broiled.

Preparation typically involves washing the mushrooms and removing the stems, after which the caps are turned over and stuffed with various fillings.

[1][2] Filling ingredients used are diverse, and can include bread crumbs, spinach, tomato, cheese, onion, garlic, herbs such as basil, chives, tarragon and parsley, meats such as sausage and pork, egg, spices, salt and pepper.

[1][3][4][5][6][7] The filling can be sautéed prior to being placed in the mushroom caps.

[2] The dish can be drizzled with olive oil prior to cooking.