Preheat oven to 180 degrees C/350 degrees F
In a medium sized mixing bowl, add the flour, cream of tartar, bicarb and ground cinnamon. Mix with a spoon to combine.
Add the milk, eggs, and vegetable oil, and stir to combine. Add the chopped dates and stir to combine again.
Grease a silicone loaf tin with butter or oil and line with greaseproof paper.
Pour in the cake batter and smooth over the top
Bake in oven at180 degrees C/350 degrees F for 30 minutes.
Let cake cool in the silicone loaf tin until it comes to room temperature.
Remove from silicone loaf tin and discard baking paper.
Option 1: Store in an air tight container at room temperature and eat within 2 days.
Option 2: Cut into 8 slices and place into ziplock bags/airtight container and freeze for upto 3 weeks. To serve, let it defrost naturally or warm in microwave for 10-20 seconds and eat with a light spread of butter.