Creamy Blended 6-Vegetable Soup

Name: Creamy Blended 6-Vegetable Soup
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Ingredients: 2 Tbsp butter ((30g)); 2 leeks, (medium); 2 celery stalks, (medium); 1 carrot, (medium); 600g zucchini, (roughly 3 medium); 2 potatoes, (medium); 1 L vegetable stock; 1 cup frozen peas; ½ cup cream; 1 tsp salt, (plus more to taste); A few grinds of pepper, (plus more to taste)