3 whole pizzas spinach fontina Recipes

olive oil, divided, garlic cloves, minced, vertically sliced red onion, bagged baby spinach leaves, whole wheat pitas, shredded fontina cheese

olive oil plus additional for brushing, sliced crimini (baby bella) mushrooms, fennel seeds, garlic cloves, pressed, dried oregano, baby spinach, all purpose flour (for sprinkling ), fresh pizza dough (or 1 13.8-oz tube refrigerated ), grated parmesan cheese, divided, grated fontina cheese, divided, whole-milk ricotta cheese, dried crushed red pepper