StarSpangled Burgers My 4th of July BBQ Showstopper

Ingredients

• 1 1/2 lbs (680g) ground beef (80/20 blend recommended)
• 1 tbsp (15ml) Worcestershire sauce
• 1 tsp (5ml) garlic powder
• 1/2 tsp (2.5ml) onion powder
• Salt
• freshly ground black pepper
• 4 sesame seed burger buns
• 4 slices cheddar cheese (optional)
• 1 cup (240ml) ketchup
• 1/4 cup (60ml) apple cider vinegar
• 2 tbsp (30ml) brown sugar
• 1 tbsp (15ml) molasses
• 1 tsp (5ml) smoked paprika
• 1/2 tsp (2.5ml) chili powder
• 4 cups (approx. 400g) shredded coleslaw mix (cabbage and carrots)
• 1/4 cup (60ml) mayonnaise
• 2 tbsp (30ml) sour cream or Greek yogurt
• 2 tbsp (30ml) crumbled blue cheese (plus extra for garnish, if desired)
• 1 tbsp (15ml) apple cider vinegar
• 1 tbsp (15ml) sugar
• 1 large yellow onion, thinly sliced
• 1/2 cup (60g) all-purpose flour
• 1/4 tsp (1.25ml) salt
• Vegetable oil, for frying