Step 1

Preheat the oven to 175°C

Step 2

Add the vinegar to the milk and let it sit for 5 minutes

Step 3

In a medium sized bowl whisk the flour, baking soda, sugar, salt and lemon zest together

Step 4

Add the egg and oil to the milk, whisk until combined

Step 5

Add the milk mixture to the flour, using a wooden spoon mix until just combined

Step 6

Transfer to a piping bag and pipe into the donut mould (3/4 full)

Step 7

Bake for 15 minutes or until an inserted toothpick comes out clean

Step 8

Cool completely

Step 9

Sift the icing sugar into a medium sized bowl

Step 10

Add the lemon juice and stir until smooth

Step 11

If too thick add a little more lemon juice to thin it out

Step 12

Transfer the glaze to a smaller bowl which fits your baked donuts

Step 13

Dip the smooth side of the donut into the glaze, remove, and place on a wire rack so excess glaze can drip off(If you want to add sprinkles or toppings add them now!)

Step 14

Allow the glaze to dry for 30-60 minutes, then enjoy!