Shrimp Tacos with yogurt

1 lb large shrimp , peeled and deveined 8 taco shells, crunchy 1 head lettuce , finely shredded 1 Combine all the ingredients for the yogurt in a bowl, cover[...]

1.5 lbs raw shrimp , peeled and tails removed 2 tsp chili powder or ancho chile powder 1 tsp ground cumin 2 tsp kosher salt 2 Tbsp olive oil 2 Tbsp mayonnaise[...]