Summer Pea & Lettuce Soup

100g vegan margarine
1 onion, finely chopped
2 small lettuce hearts
800g frozen peas
1 tsp minced garlic900ml vegetable stock
Grated zest and juice of 1/2 lemon
3 tsp fresh or dried herbssalt and freshly ground pepper
soya cream for garnish (optional)

1. Melt the butter in a large pan. add the onion and cook gentlyfor 10 minutes, until soft. add the lettuce and peas and stir to coat with the butter.
2. stir in the garlic, stock, lemon zest and juice, bring to the boil and simmer for 10 minutes until the peas are soft. Stir in the herbs.
3. Pour the soup into a blender or food processor and blend until smooth. return to the pan and season with salt and pepper.
4. Reheat the soup gently then pour into warmed bowls. Swirl the cream into each bowl and garnish with a good grinding of black pepper.