Preheat oven to 350 degrees. Clean mushrooms and remove stems.
Chop stems finely. Saute' mushrooms stems and garlic in 1 tablespoon oil until soft. Mix together the mushrooms stems, garlic, cream cheese, Parmesan cheese, Worcestershire sauce, bread crumbs, black pepper, red pepper, and salt. Stir until completely combined.
Stuff in the mushroom cap and bake for 15 minutes on 350°F. Remove and sprinkle the shredded cheddar cheese over the mushrooms and return to the oven for 5 more minutes or until mushrooms are piping hot and liquid evaporates from the pan.
Serve warm or room temperature.
*After mushrooms are stuffed they can be refrigerated for a couple of hours before baking if necessary.