Burger with onion rings and bacon and onion jam

Ingredients

• 3 brown onions
• 80 g plain flour
• 80 g rice flour
• 2 g baking soda
• 2 g salt
• 1 tbsp sweet paprika
• 340 ml beer
• Vegetable oil for deep frying
• 350 g streaky bacon, sliced
• 2 onions, diced
• 2 tbsp brown sugar
• ¼ cup maple syrup
• ¼ cup apple cider vinegar
• ½ lemon
• 1 kg beef mince
• 1 onion, finely diced
• 1 tbsp onion powder
• 1 tbsp garlic powder
• salt
• pepper
• ½ cup kewpie mayo
• 2 tbsp ketchup
• 2 tsp American mustard
• 2 tsp pickle relish
• 1 Brioche bun
• 2 onion rings + extra to serve
• 2 burger patties
• 2 slices Tasty cheese
• 2 tbsp burger sauce
• 1 tbsp bacon and onion jam
• 2 tbsp olive oil
• 1 lettuce
• 1 pickles