Recipe from: SimplyRecipes This vegetarian lasagna has layers upon layers of mushrooms, spinach, ricotta, and mozzarella cheeses. Whether you’re vegetarian or not, this lasagna will 100% satisfy. Ingredients 1 1/2 pounds cremini mushrooms, roughly chopped 1/2 pound shiitake mushrooms, roughly chopped 1/4 teaspoon kosher salt 1 generous cup chopped onions 1/4 cup extra virgin olive […]