Strawberry Tart from Smart Tart by Tamasin Day-Lewis

Ingredients

• finely pared zest of 1 lemon in 4–5 strips, peeled with a potato peeler
• 2 tbsp. cornflour small knob of butter, walnut sized
• 1 split vanilla pod, the seeds scraped out
• 500 ml. whole milk, preferably Jersey or Channel Islands
• 90 g unrefined granulated sugar
• 4 large egg yolks