Cheddar & Caramelised Onion Rolls

wheat flour 38.0% , potato 25.0% , butter 20.7% , onion 12.0% , West Country Cheddar Cheese 2.2% , full fat soft cheese 1.1% , Regato Cheese 0.5% , egg 0.3% , black cumin 0.1% , pasteurised egg yolk 0.1% , corn flour 0.0% , red onion 0.0% , parsley 0.0% , salt 0.0% , wine vinegar 0.0% , flavouring 0.0% , sugar 0.0% , muscovado 0.0% , Stabiliser 0.0% , white wine vinegar 0.0% , grape must 0.0% , black pepper 0.0% , white pepper 0.0% , cayenne pepper 0.0% , grape must 0.0% , sunflower oil 0.0%