Ideal for making beforehand and freezing, freeze in a polybox uncooked, interleaved with greasproof paper. Thaw overnight in the fridge and cook as in recipe.
Ingredients:
4 medium onions
4lb. (1.80kg) lean minced beef
4oz (100g) butter
8tblsp. chopped fresh parsley
i2tbsp. brown sauce
8oz. (225g) grated Cheddar cheese
salt and pepper
24 burger buns
Cooking Instructions:
First melt the butter in a pan then fry the onions gently for 5 minutes
Transfer to a bowl and mix in the remaining ingredients