1
Preheat your oven to 160°C (140°C fan). Line a muffin tin with cases.
2
Combine flour, salt, cinnamon and baking powder into a bowl.
3
Add olive oil, vanilla, agave syrup, eggs and milk. Mix through until combined.
4
Gently fold in the blueberries or apples.
5
Spoon into 12 large prepared muffins tins.
6
Bake for 45 minutes or until firm to touch.
7
Remove from the oven and cool completely.
8
Place the icing sugar in a small bowl. Gradually stir in the water to make a thick icing. Place in a small sealable plastic bag. Cut 1 corner off the bag to make a small hole. Pipe a cross onto each muffin and set aside until the icing is set.