Cheddar & Caramelised Onion Rolls x 4

potato 27.0% , wheat flour 18.0% , unsalted butter 17.7% , onion 9.0% , mature cheddar 7.5% , Regato Cheese 6.0% , egg 3.0% , white wine vinegar 3.0% , dehydrated onion 3.0% , salt 0.3% , corn flour 0.3% , rapeseed oil 0.3% , yeast extract 0.3% , white pepper 0.3% , cracked black pepper 4.5%