Adobo-Marinated Chicken Tacos

Ingredients

• 4 dried ancho chiles (about 2 ounces), wiped clean, stemmed, and seeded
• 4 dried guajillo chiles (about 1 ounce), wiped clean, stemmed, and seeded
• 1/2 cup water, plus more for soaking the chiles
• 2 teaspoons finely chopped peeled ginger (from about 1 [3-inch] piece)
• 1 1/2 teaspoons kosher salt, plus more as needed
• 3/4 teaspoon ground cumin
• 1/4 teaspoon freshly ground black pepper
• 2 pounds boneless, skinless chicken thighs, chicken tenders, or a mixture of both
• 2 tablespoons vegetable oil
• warm corn or flour tortillas
• diced avocado (optional)
• roasted tomato salsa (optional)
• chopped fresh cilantro leaves (optional)
• lime wedges (optional)
• finely chopped white onion (optional)