Zucchini Quesadilla with Spicy Salsa Roja

Name: Zucchini Quesadilla with Spicy Salsa Roja
Ingredients: 1 pound tomatoes, cored and quartered; 1 small onion, peeled and quartered; 4 garlic cloves; 1/4 cup canola oil; 6 dried árbol chiles, stemmed; 1 chipotle chile in adobo; 2 tablespoons apple cider vinegar; 1 teaspoon sugar; Kosher salt; Two 10-inch flour tortillas; 1/2 cup shredded Monterey Jack cheese; 2 small zucchinis, thinly sliced crosswise; Chopped cilantro and thinly sliced Fresno chiles, for garnish