Pulse all the sauce ingredients in a food processor or blender until mostly smooth. Toss some of the sauce (not all) with the cabbage. Save the rest for later.
Pat shrimp dry with a paper towel and toss in a small bowl with the shrimp taco spice mix. Heat a drizzle of oil in a large skillet over medium-high heat. Add the shrimp to the hot pan and sauté for 5-8 minutes, flipping occasionally, until the shrimp are cooked through.
For the easiest-to-eat and picture-perfect tacos, top your Casa Mendosa® tortillas in this order - smashed avocado, slaw, and shrimp, Cotija cheese and garlic cilantro lime sauce. Enjoy!