Slice SS roll in half, slather each side with Pesto Mayo:
1 T. prepared pesto
2 T. real mayo
(enough for 2 sandwiches)
For each sandwich, pan fry a portabella mushroom in butter, salt and pepper. When tender, place on one half of sandwich.
Flash fry a sandwich-size roasted red pepper and place on other half of sandwich.
Cover mushroom with a slice of Havarti cheese.
Bake at 350 for 6 minutes. Remove and cool for 3-5 minutes before serving.