Recipes: Barbecue sweet potato wedges

Preparation:   Preparation time: 10 mins Cooking time: 20 mins Serving: 4-6 Ingredients: 1/4 cup granulated sugar 1/4 cup sweet paprika 2½ tablespoons salt 1 tablespoon granulated garlic 1 tablespoon granulated onion 3 tablespoons dark brown sugar 1/2 teaspoon dried oregano 1/2 teaspoon ground coriander 1/2 teaspoon cumin 1 teaspoon...