Black Kale and Pork Belly Tacos with Sambal Sour Cream

Name: Black Kale and Pork Belly Tacos with Sambal Sour Cream
Ingredients: 1/2 cup sugar; 1/2 cup kosher salt; 1 pound pork belly, skin removed; 1 cup chicken broth; Vegetable oil for frying, plus 1 tablespoon more; 1 cup fresh Chinese egg noodles; 3 bunches black kale (about 2 1/4 pounds ribs) trimmed, leaves chopped; 1/4 cup sour cream; 1 tablespoon sambal oelek, or to taste; Juice of 1 lime; 1 teaspoon minced garlic; 1 teaspoon minced ginger; 5 teaspoons Asian fish sauce; 5 teaspoons soy sauce; 8 corn tortillas; 1/4 cup chopped cilantro; 1/4 cup chopped mint