Dr Oetker Sicilian Lemon Extract 35ml | Natural Lemon Flavouring for Baking & Desserts. Bring the fresh, vibrant taste of Sicilian lemons to your baking with Dr. Oetker Sicilian Lemon Extract. This concentrated flavouring is perfect for cakes, cupcakes, biscuits, cheesecakes, frostings, desserts, and a wide range of sweet treats.