Cream of Broccoli Soup with Cashew Cream

Name: Cream of Broccoli Soup with Cashew Cream
Ingredients: For the cashew cream; 1 cup raw cashews, halves or pieces; 1 1/4 cups water; 1 clove garlic, smashed; 1 tablespoon freshly squeezed lemon juice; For the soup; 2 tablespoons extra-virgin olive oil; 6 cups thinly sliced leeks, washed and trimmed, while and light green parts only, about 3 very large leeks; 4 cloves garlic, minced; 2 pounds broccoli, stems peeled, coarsely chopped; 6-8 cups vegetable broth or water; freshly ground black pepper; zest of 1/2 lemon, removed with a zester; 4 tablespoons roasted, shelled pumpkin seeds