Grease a slice tin and line with baking paper, leaving extra on each side (to pull the slice from the tin once cooked).
Mix all of the dry ingredients together in a mixing bowl and create a well in the centre.
Add the melted butter and stir to combine.
Press into prepared slice tin firmly and level out with the back of a spoon.
Bake for 30 minutes or until a deep golden colour.
Remove from oven and allow to cool in tin.
Remove from tin and slice into squares using a sharp knife.
Notes
Storing: Store this slice in an airtight container at room temperature for up to 7 days.Freezing: You can also freeze it – wrap well and place in an airtight container before freezing for up to 2 months.Nutrition: The nutrition information is an automatically generated estimate and is not guaranteed to be accurate.