Almost Spring Vegetable Soup With Pesto

Name: Almost Spring Vegetable Soup With Pesto
Ingredients: 1 tbsp. grapeseed oil or other oil of choice for sauteing; 1 small red onion, diced; 1 leek, white parts only, cut and thoroughly washed; 1 stalk celery, cut into 1/4″ pieces; 5 cups vegetable stock or 3 cups stock/2 cups water; 1 pinch dried red chili flakes; 1 medium zucchini, cut into 1/2″ wedges; 1 cup cherry tomatoes, halved; 2 cups fresh green beans – tough ends removed and rough chopped into pieces; 1 15 ounce can cannellini/white beans, rinsed and drained; fresh ground pepper & salt, to taste; 1 heaping tsp. per bowl of prepared basil pesto or pesto of your choice