This sandwich is great for vegetarians and people who love tasty meals but are watching their diets.
Preheat oven to 350 degrees. Take Scott Farms Chuckwagon Rub & coat mushrooms (hint first rub with olive oil). Grill until tender about 7 minutes, don't turn. Place pita halves, cut side up, on a baking sheet; Lightly baste with olive oil. Top with spinach, roasted pepper, cheese (reserve some for topping), and grilled mushrooms. Top with reserved cheese. Bake on center rack for 4-5 minutes to melt cheese.