Preheat oven to 180 degrees C. Place 8 patty cups into your muffin tray.
2.
Mix the flour, sugar, baking powder and salt.
3.
Stir the egg and natural yoghurt together. Mix in the butter and the vanilla essence. Mix the dry ingredients into the egg/yoghurt mixture until just combined.
4.
Pour just under half of the mixture into the 8 patty cups. Add 1 tablespoon of jam in the middle of reach muffin. Put the rest of the mixture on top so that the jam is completely enclosed.
5.
Bake for 30 minutes in preheated oven until the cupcakes are golden brown on top. Let cool for 5 minutes then remove them from the tray.