Lime Chicken Tacos

Name: Lime Chicken Tacos
Ingredients: Juice and zest of 2 limes; 2 cloves garlic, minced; 1 tablespoon sugar; 2 teaspoons dried oregano; 1 teaspoon ground cinnamon; 1 teaspoon ground cumin; 1 teaspoon salt; 1 teaspoon ground black pepper; 1/2 teaspoon cayenne pepper; 1/2 teaspoon sweet paprika; 3 tablespoons olive oil; 3 boneless, skinless chicken breasts, cut into 1/4-inch-thick strips; 3 bell peppers (red, yellow or orange), stemmed, seeded and very thinly sliced; 1 large white onion, halved and thinly sliced; Eight 6- to 8-inch flour tortillas, warmed if possible 1/4 cup chopped fresh cilantro leaves; Sour cream, optional; Hot sauce, optional