Recipe: Bistro-Style Chicken Portobello Sandwich

This Chicken Portobello Sandwich combines boneless chicken breasts with the earthy flavor of Portobello mushrooms and sweet onion…. topped with melted Swiss cheese and homemade Dijon Mayo… all on a crisp roll… totally delicious!TIPSI used chicken breasts I had on hand.. they were thick… very thick… so thick.. Warren made numerous comments eluding to the probable size in human terms they were… and