In a bowl, whisk together the sauce ingredients. Set aside.
Prep all toppings: cabbage, avocado, onion, cilantro, and cheese.
Pat shrimp dry, then season with garlic, salt, pepper, cumin, and cayenne.
Heat oil in a skillet over medium-high. Sauté shrimp 1–2 mins per side until cooked.
Toast tortillas over flame or in skillet until golden.
Assemble tacos with shrimp, toppings, and sauce. Serve with lime.
