Take all the stems off the mushroom and peel. Mix the mushrooms with the oil, salt, pepper and crushed garlic. Lay out on a cookie sheet.

Mash the potatoes with oil, sautéed onions, and spices.

Syringe a little mashed potatoes into each mushroom.

Sprinkle on some panko crumbs.

Bake on 375 degrees Fahrenheit for 15-20 minutes.