In a large pot, heat olive oil over medium heat.
Add leek, celery, and zucchini.
Cook until vegetables are softened.
Add peas, ginger, and garlic.
Stir for a couple of minutes.
Pour in vegetable broth and bring the mixture to a simmer.
Cook until peas are tender.
Blend the soup until smooth using a blender or immersion blender.
Season with salt and pepper.
Garnish with fresh mint leaves before serving.