You’ll Need:

# 12oz. (325g) minced beef
# 2 medium onions, peeled and roughly chopped
# 1 small egg, beaten
# half a pint (250ml) tomato ketchup
# quarter pint (125ml) pineapple juice
# 2 tbsp. cooking oil
# salt and pepper
# 4 soft rolls, split

Directions : # Place the minced beef into a bowl, mix in one of the onions and season with salt and pepper
# Form the mixture into 4 flat round shapes
# Heat the oil in a frying pan and fry the hamburgers for 10 minutes, turning once
# Pour the pineapple juice and ketchup into a pan then add the remaining onion and seasoning
# Bring to the boil, then simmer for about 20 minutes by when the sauce should have started to thicken
# Put the sauce in a jug to pour over the hamburgers
# Place one hamburger in each of the rolls and serv