Chicken Burgers with Red Cabbage and Apple Slaw - Chew Nibble Nosh

Ingredients

• 1 lb. ground chicken (not chicken breast)
• 1-1/2 cups small-diced peeled Granny Smith apple
• 1/2 cup small-diced red onion
• 1/4 cup small-diced celery
• 5 Tbsps. mayonnaise, divided
• 2 tsp. Dijon mustard
• 2 tsp. minced garlic
• Kosher salt and freshly ground black pepper
• 2 Tbsps. vegetable oil
• 1 tsp. fresh lime juice; more if needed, for slaw
• 1-1/2 cups packed, thinly sliced red cabbage
• 4 challah rolls or hamburger buns, split and toasted