Winter Pea & Lettuce Soup

I have tried this soup & it is really delicious, want to share it with everybody. Try it…
Ingredients
100g butter
1 onion, finely chopped
1 big lettuce, finely shredded
800g frozen peas or u can use fresh peas also
1 tsp garlic
900ml vegetable stock
1 tsp lemon juice
150ml cream
Salt and freshly ground black pepper

Method
Melt the butter in a large pan. Add the onions & cook gently for 10 minutes, until soft. Add the lettuce & peas, mix them well with butter. Now add garlic, stock, lemon zest & lemon juice, bring it to boil and let it simmer the peas are soft. Now pour the mixture or soup into a blender and blend until smooth. Again reheat the soup and season with salt and pepper. Serve hot with cream on top.