Sweet and Spicy Shrimp Tacos

Name: Sweet and Spicy Shrimp Tacos
Ingredients: 2 tablespoons light brown sugar; 1 tablespoon chili powder; 1 teaspoon ground cumin; 1 teaspoon smoked paprika; Finely grated zest from 2 limes; 1 1/2 pounds medium shrimp peeled, deveined and tails removed; 1/4 cup extra-virgin olive oil; 1/4 cups sour cream or Mexican crema; 1/4 head cabbage, cored and shredded ( about 4 cups); Kosher salt and freshly ground black pepper; 12 corn tortillas; Fresh cilantro leaves, for serving; Lime wedges, for serving