Beef Broth Soup

Ingredients
Slices of beef ( leftover from a  roast works well )
1 tablespoon olive oil
1 onion thinly sliced
2 spring onions finely sliced
1 litre beef broth
1 green chilli finely sliced
Sea salt and pepper to taste
Method
Heat the oil in a pan and gently sautee the onion and chilli not browning
Add the beef broth and beef and bring to a simmer for 5 minutes
Season with salt and pepper
Add the chopped spring onions and serve.