For the sweet and sour sauce

• 1/2 cup pineapple juice
• 1/3 cup apple cider vinegar
• 1/4 cup coconut sugar (omit or use 1-2 blended dates for whole30)
• 1/4 cup ketchup (use AIP ketchup or whole30 compliant ketchup)
• 2 tbsp coconut aminos
• 1 tbsp arrowroot starch
• 1/4 tsp salt

For the burgers 

• 1 lb ground chicken
• 1/4 onion, diced
• 2 garlic cloves, minced
• 1 tbsp coconut flour
• 1 tbsp avocado oil
• 1/2 tsp salt
• 1/4 tsp pepper (omit for AIP)
• 4 pineapple rings
• 1/2 red onion, sliced thin
• 4 Butter lettuce leaves
• 2 tbsp green onion, chopped