Pizza Stuffed Chicken Roll-Ups

Olive oil spray or cooking spray

boneless, skinless chicken breasts

kosher salt

Freshly ground black pepper

shredded part-skim mozzarella

slices turkey pepperoni

slices white button mushrooms

seasoned whole wheat or regular bread crumbs

freshly grated Parmesan cheese

olive oil

fresh lemon juice

marinara sauce, homemade or store-bought

thin slices red onion

finely chopped green bell pepper