Remove the ends from the zucchini and slice in half lengthways. Drizzle with a little olive oil and arrange on a shallow oven tray. Roast for 20 minutes until the flesh is soft and slightly caramelised.
Step 3
Scoop the flesh from the zucchini and add to a food processor along with the tahini, olive oil, garlic and lemon juice. Blend until smooth.
Step 4
Add the yogurt to the food processor and season to taste. Blend until smooth and creamy.