Goat Cheese Ravioli with Mushroom Leek Gravy

Name: Goat Cheese Ravioli with Mushroom Leek Gravy
Ingredients: For the ravioli; 1/2 pound fresh pasta; 5 ounces goat cheese, room temperature; 1 egg; 1/3 cup arugula, chopped; 1/2 cup fresh parmesan, shredded; 1 teaspoon fresh lemon juice or lemon zest; salt and pepper, to taste; For the gravy; 2 large leeks, cleaned and sliced; 1/3 cup chopped mushrooms (wild and/or button mushrooms); 2 tablespoons olive oil or butter; 3 garlic cloves, coarsely chopped; 1 tablespoon all-purpose flour; 1/2 cup vegetable broth; 1 teaspoon each fresh oregano, basil and thyme, finely chopped (optional); 1 pinch red pepper flakes