01 - In a bowl, toss the shrimp with olive oil, chili powder, smoked paprika, cumin, cayenne, garlic powder, salt, and lime juice. Let marinate for 10 minutes.
02 - Blend the avocado, sour cream, lime juice, garlic, and a pinch of salt until smooth. Set aside.
03 - Heat a large skillet over medium-high heat. Add shrimp and cook for 2–3 minutes per side, or until pink and cooked through. Remove from heat.
04 - Warm the tortillas in a dry skillet or microwave.
05 - Place a small amount of cabbage in each tortilla, top with shrimp, a generous spoonful of avocado crema, and sprinkle with cilantro.
06 - Serve immediately with lime wedges.