Kakariki soup with homemade mayo

Ingredients

• 2 tablespoon olive oil
• 1 onion, chopped
• 2 clove garlic
• 3 stalks celery, chopped
• 2 litre chicken or vegetable stock
• 1 head broccoli, chopped
• 1 zucchini, chopped
• 1 bag spinach leaves
• 1 bunch kale, roughly chopped
• Mayo
• 1/4 cup mayonnaise
• 1 tablespoon dijon mustard
• 1 clove garlic
• 2 tablespoon sour cream
• 2 tablespoon fresh parsley
• 1 tablespoon tarragon
• 1 tablespoon fresh chives
• 1 tablespoon lemon juice