Beef Cheesy Molten Lava Burger (New Trend) For beginners

Ingredients for chicken patty:

1kg Beef mince
1/2 cup onion (chopped)
2 tbsp Green chillies (chopped)
1 tbsp Garlic paste
1 tbsp Ginger paste
Salt to taste
1 tbsp Black pepper
3 tbsp Hot sauce
1 Egg
1 tbsp Mustard paste
1 & 1/2 tbsp Cumin powder
Ingredients for lava sauce:
2 tbsp Chili flakes
2 tbsp Brown sugar
1 tbsp Balsamic vinegar
1 & 1/2 cup Ketchup
Salt to taste
2 tsp Red chilli powder
Water as required
Ingredients for cheesy sauce:
2 cup Milk
1/2 cup Cheddar cheese
Salt to taste
1/2 tsp Black pepper
1/2 cup Cream
1 tbsp Oregano (dried)
Assembling:
Cabbage shredded
Tomatoes sliced
Onion slices