A sweet muffin recipe that makes use of suplus sourdough starter.
Mix the butter and sugar together in a food mixer until combines
Add in the eggs, one at a time, until incorcorporated into the batter
Pour in the flour and baking powder and mix well until just combined
Pour in the sourdough starter and mashed banana, mix well
Fold through the raspberries and white chocolate
Place the muffin mix into the 12 muffins cases making sure you have equal amounts in each case
Bake in a pre-heated overn at 180 degress for 23 minutes