Remove Stems From Mushrooms And Finely Chop; Set Caps Aside. In A Large Skillet, Saute The Mushrooms, Bacon, Red Pepper, Onion, Salt And Pepper In Oil Until Vegetables Are Crisp-Tender. Add Garlic; Cook 1 Minute Longer. Remove From The Heat. Stir In Cheeses. Fill Each Mushroom Cap With About 1 Tablespoon Of Filling. Place On Foil-Lined Baking Sheets. Bake At 400