Stuffed Mushroom Caps Florentine
6 medium portobello mushroom caps1 lb. bulk Italian sausage1 medium onion, diced4 cups fresh baby spinach leaves1 cup panko bread crumbs (1/2 cup reserved for topping)1 1/2 cups shredded mozzarella cheese1/2 cup freshly grated Parmesan1/4 cup Olive Us Garlic olive oil + 2 tablespoons1/2 teaspoon red chili flakes (optional)kosher salt and freshly ground pepper to…