Fifteen Kilograms of Imperfect Lemons

Sauté 2 leeks slice thinly, 4 garlic cloves chopped and 2 celery sticks sliced thinly in olive oil in a large pot until softened. Add 2 zucchinis quartered lengthways, and 2 bunches asparagus. Pour in 1 litre stock and bring to a boil. Add 3 tablespoons pesto then serve.