Spicy Jamaican Soup

Ingredients

• 2 teaspoon oil

• 1 bunch spring onions, chopped

• 198 gram (7 ounce) tin sweetcorn, drained

• 1 stick celery, sliced

• 4 teaspoon Jerk Seasoning

• 175 gram (6 ounce) tiger prawns, defrosted if frozen

• 2 tablespoons cornflour

• 900 millilitre (1½ pint) vegetable stock