1. Remove all stems and while removing hull out mushroom to make a nice pocket for the stuffing mix & then wash mushrooms thoroughly placing on rack with a towel/paper towel. Let dry at room temperature.

2. Melt butter/margarine till very soft then add cheeses and cream to mixture.

3. When mushrooms are nice and dry, add mixture by the tablespoon and place into pockets. Place them on a baking sheet and dust with the Panko till covered. Place in oven on middle rack at 350°C and bake til brown and crusty.