Ingredients Quesadillas: 1¼ pound ribeye, top sirloin or flat iron steak, thinly sliced (see notes) 1 tablespoon oil 1 tablespoon adobo sauce (from chipotle peppers) 1 teaspoon ancho chili powder ½ teaspoon EACH: ground cumin AND garlic powder 1 small red onion, thinly sliced 1 ½ green bell pepper, thinly sliced 1 ½ cups Oaxaca […]