Curried Butternut Squash and Celeriac Soup with Leek and Crispy Bacon Topping

Name: Curried Butternut Squash and Celeriac Soup with Leek and Crispy Bacon Topping
Ingredients: For the soup:; 1.4 pounds butternut squash, peeled and cut into chunks; 1 celeriac, peeled and cut into chunks; 1 garlic clove; 1 shallot, peeled and sliced; 3-4 tablespoons extravergine olive oil; 1 teaspoon coriander seeds; 2 teaspoons curry powder; 400 milliliters vegetable stock; salt and pepper to taste; For the leek and bacon topping:; 4.5 ounces bacon, diced; 1 leek, sliced; 1 tablespoon extravergine olive oil