The ultimate makeover: Sticky toffee pudding

Name: The ultimate makeover: Sticky toffee pudding
Prep time: 35 min
Cook time: 25 min
Total time: 1 h
Cuisine: British
Ingredients: 200g pitted whole date, preferably Medjool; 75ml rapeseed oil, plus ½ tsp for oiling tins; 175g self-raising flour, plus some for dusting; 1 tsp vanilla extract; 1 tsp black treacle; 2 medium eggs; 1 tsp bicarbonate of soda; 100g unrefined demerara sugar; 100g natural yogurt; 100g light muscovado sugar; 25g butter, cut into pieces; 1½ tsp black treacle; ½ tsp vanilla extract; 100g half-fat crème fraîche