This is deliciously rich and gorgeous. Can't beat it!
Preheat oven to 180 degrees.
Sift 225g self raising flour, 2 tsp ginger, 1/2 tsp cinnamon and 1/4 tsp nutmeg into a bowl.
Place 125g butter with 150g brown sugar and beat. Add 2 eggs, beat, then add 120g black treacle, and beat.
Fold flour mixture in, alternating with 75g natural yoghurt or creme fraiche.
Bake in a loaf tin for 30-50 mins.