Preheat oven to 190 C / 375 F. Grease and line a 12cup muffin tin with paper liners.
Sift self raising flour, sugar and salt into a large bowl.
In another bowl, combine together egg, milk and vanilla extract. Make a well in the middle of the flour mixture. Pour in egg mixture. Whisk until just combined.
Spoon batter into the prepared muffin cups, filling each 34 full.
Bake in the preheated oven until tops spring back when lightly pressed, about 25 minutes.
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Notes
Refrigerate cooled muffins in an airtight container in the refrigerator for 3-4 days. You can also freeze them for about 2 months. Simply thaw at room temperature and reheat in the microwave before serving.
Customize the muffins with your favorite topping like apples, berries, coconut, spices (cinnamon and cardamom), bananas, zucchini and carrots.