Crumpets

strong white bread flour 100g plain flour 1 tsp (5g) easy bake yeast 1⁄2 heaped tsp caster sugar 150ml whole milk 40ml clarified butter (or vegetable oil) 1⁄2 heaped tsp baking powder 1⁄4 heaped tsp bicarbonate of soda 1⁄2 heaped tsp fine salt