Step 1:MIXMix the flours, yeast and salt in a big bowl. Mix together the melted butter, sugar and water, then mix in with a cutlery knife.Step 2:KNEAD Tip onto a lightly flour dusted surface and knead for 10 minutes (or use the dough hook attachment on your mixer). How to knead doughStep 3:RISELightly grease the mixing bowl with some oil. Put the dough back in, cover the bowl with a clean tea towel and leave to rise until doubled in size.Step 4:SHAPEKnock back the dough by gently kneading just 5 times to get the air out. Mould into a smooth oval and lift into a lightly oiled 900g/2lb loaf tin.Step 5:PROVECover the dough again with a clean tea towel and leave to prove until doubled in size again. Preheat your oven to 200°C (fan 180°C, gas mark 6).Step 6:BAKELift the tin onto the middle oven shelf and bake for 35-40 minutes, until you can lift the bread loaf from the tin and when you tap the base it sounds hollow. Cool on a wire rack.