Preheat oven to 375 degrees. Line a rimmed baking sheet with foil, Place a wire rack on pan. Spray with non-stick cooking spray. Place bacon on prepared rack in a single layer, brush tops with mustard. Sprinkle sugar evenly over mustard, pressing gently. Bake until browned, 25-30 minutes. Bacon does not get crispy. Makes 4 servings.