Baked Fideo

Name: Baked Fideo
Ingredients: 2 pounds Roma tomatoes, cored and halved; 1 large onion, roughly chopped; 8 garlic cloves, halved; ½ cup water; 2 teaspoons coarse salt; 12 ounces fideo, vermicelli, or angel hair pasta, broken into 1-inch pieces; 6 dried chipotle chiles; 2 cups vegetable stock or water; ¾ cup grated anejo cheese; 1 avocado, halved, seeded, peeled, and cut into 8 wedges; 1 small bunch cilantro, leaves only, chopped; Crema or sour cream (optional)