Hi Chris Thanks for the review and glad you love our milkshakes ......... the secret ingredients are, our award winning Biodynamic milk and our gelato that is made with our milk. The Biodynamics is a farming method that we chose 30 years ago long before we opened the farm cafe .......... it is a natural method of farming developed by Rudolf Steiner that works in harmony with nature and uses no chemicals, pesticides and fertilisers and actually increases the humus development and microlife in the soil and builds great soil structure so our farm will be a viable operation for generations to come. Food that is produced biodynamically is typically more nutritious as well so it has lots of great benefits for farming, the environment and our community and the end product - simple farming with natural principles - it might be trendy now and was definitely not 30 years ago when we started - we now support 9 family farms in the district as well. Guess we will see you next time you have a craving for one of our fatabulous milkshakes. Cheers the Watson family.