Salsa Black Bean Burgers

Name: Salsa-Black Bean Burgers
Ingredients: ½ cup prepared salsa; 2 (15 ounce) cans low-sodium black beans, rinsed; 1 cup well-crushed tortilla chips; ½ cup grated white onion; 1 large egg, beaten; 3 tablespoons mayonnaise; 4 teaspoons chili powder; 2 teaspoons ground cumin; ¾ teaspoon salt; 3 tablespoons avocado oil or canola oil, divided; 8 whole-grain burger buns, toasted; ½ cup prepared guacamole; 8 slices tomato slices; 1 cup sprouts; ½ cup thinly sliced red onion