Preheat the oven to 180 oC
Grease a 12 hole mini loaf tin
Beat together the dairy free spread and caster sugar until light and fluffy
Beat in the eggs one at a time

Stir in the flour, mixed spice and mashed banana
Coat the blueberries in a little flour and then gently stir into the cake

Divide the mixture among the mini loaf tins
Bake for 20 minutes