Recipe by Quirk from the Thermomix Forum http://www.forumthermomix.com/index.php?topic=3158.0
1 medium red onion
100g feta cheese
1 T fresh oregano
270g plain flour
5g baking powder
60g plain yoghurt
1 T butter
Peel and chop onion into quarters. Chop in TMX for 5 seconds on Speed 7
Add 1T of butter and saute at 100 degress, speed 1 for 2 minutes
Pour out into a bowl and set aside.
Add milk, yoghurt, egg, oregano and feta to TMX and mix thoroughly for 1 minute on speed 4.
Add onion back in, add flour and baking powder and a pinch of pepper.
Mix for around 1 minute on speed 1.
Pour out into oiled muffin tin, I made six huge muffins, it would probably be better making 12 smaller ones.
Cook for around 25 minutes at 180 degrees.