Fish Tacos with Roasted Tomato Salsa

Name: Fish Tacos with Roasted Tomato Salsa
Ingredients: 2 cloves garlic, unpeeled; 2 plum tomatoes; 1 serrano chile; 2 dried guajillo chiles or 1 ancho chile and 1 pasilla chile; 3 tbsp. chopped fresh cilantro; Kosher salt and sugar, to taste; 1 cup cooked or canned pinto beans; 16 (6) white corn tortillas; Canola oil, for frying; 10 oz. boneless, skinless flounder or halibut filets, cut into 3 x 1/2 strips; 2 tsp. chili powder; 1 ⁄ 2 cup flour; 1 avocado, peeled, pitted, and thinly sliced; 1 lime, cut into wedges Sour cream, for serving