Veggie pizza stuffed mushrooms

Crimini mushroom, mozzarella cheese (pasteurized milk, cheese culture, salt, enzymes, potato starch and powdered cellulose [to prevent caking], natamycin [a natural mold inhibitor]), panko bread crumbs (unbleached wheat flour, organic cane sugar, yeast, sea salt), onion, red bell pepper, green bell pepper, parmesan cheese (pasteurized milk, cheese culture, salt, enzymes, powdered cellulose [to prevent caking]), kalamata olives (kalamata olives, water, salt, sunflower oil, extra virgin olive oil, lactic acid, calcium chloride), garlic powder, iodized table salt (salt, sodium silicoaluminate, dextrose, potassium iodide and sodium bicarbonate), white pepper, tomato paste (tomatoes), italian seasoning (marjoram, oregano, thyme, rosemary, savory, basil, sage).