A robust mixture of spinach, garlic, oregano, and Parmesan cheese fills juicy mushrooms in this recipe. Ingredients 2 (4 1/2-inch) portobello mushroom caps 2 teaspoons olive oil, divided 1 garlic clove, minced 3/4 cup minced onion (1 small) 1 1/2 teaspoons chopped fresh oregano 1/2 cup bagged baby spinach leaves 1/4 cup grated Parmesan cheese […]
