Found the recipe. Haven't done the conversions from metric measures but this is the official Palo Hi Tea Pastry Mini Scone recipe:
6000 Gr Flour, All Purpose
180 Gr Baking Powder
600 Gr Sugar, Granulated
500 Gr Butter, Margarine, unsalted - melted
385 Ml Egg, Whole Liquid
2000 Gr Cream, Yoghurt Plain
2000 Ml Milk Homogenized, Jug
15 Gr Spice, Salt, Plain
1. Add in mixing bowl with Paddle, flour, sugar and baking powder
2. Melt butter and add in the eggs, butter and yoghurt into the flour mix
3. Add in last salt and milk, adjust the milk depending on if mixture needs more or less
4. Take out of the bowl and place on a floured bench, rest for 10 minutes and then roll out and cut.
Baking time 20 minutes Temperature 180 degrees Celsius
I forgot how many this yields but I'm pretty sure it's a huge batch
