A Flavorful Tex-Mex Burger with lettuce, tomato, cheese, red onion, avocado, ketchup and bell pepper. Tex-Mex Burger Author: Karly Blair Serves: 6- 3" Burgers Ingredients 2 lbs ground beef, grass-fed 3 Tbsp salsa 2 Tbsp Cilantro or parsley, chopped 1 tsp sea salt 1 tsp Mexican seasoning or chili powder. 1/2 cup black beans or