Beef Hot Links With Chowchow and Gold Sauce

Name: Beef Hot Links With Chowchow and Gold Sauce
Ingredients: 4 garlic cloves, smashed; 2 cups apple cider vinegar; ½ cup granulated sugar; ¼ cup Diamond Crystal or 2 Tbsp. plus 2 tsp. Morton kosher salt; ½ small head of cauliflower, cut into ½ pieces; 1 medium red bell pepper, ribs and seeds removed, cut into 1 pieces; 1 medium green bell pepper, ribs and seeds removed, cut into 1 pieces; 4 celery stalks, sliced 1 thick; 1 medium carrot, peeled, sliced ½ thick; 1 Tbsp. vegetable oil; ½ medium onion, thinly sliced; 1 garlic clove, smashed; 1 tsp. ground ginger; ½ tsp. cayenne pepper; 1 cup low-sodium chicken broth; ¼ cup apple cider vinegar; ¼ cup Dijon mustard; ¼ cup (packed) dark brown sugar; 2 Tbsp. unsalted butter; 2 tsp. hot sauce; 1½ tsp. Diamond Crystal or 1 tsp. Morton kosher salt; 2 12-oz. packages beef hot links; 12 slices white bread