SHOPPING LIST: Cooking Skills: Potatoes 2, Chapter 2 (Potato Doughs and Breads) Floury potatoes, boiled and mashed dry. Strong white bread flour and a sachet of fast-action yeast for the focaccia and rolls. A 20 x 30 cm baking tin and a non-stick frying pan. Potato farls (2 portions) [ ] 250 g floury potatoes, peeled, boiled, steam-dried and mashed smooth (about 200 g mash) [ ] 15 g butter, melted [ ] ½ tsp salt [ ] 60 g plain flour, plus more for rolling [ ] 1 tsp oil, for the pan Lefse-style flatbreads (2 to 3 portions) [ ] 250 g floury potatoes, peeled, boiled, riced or mashed very smooth (about 200 g mash) [ ] 1 tbsp butter, melted [ ] 1 tbsp single cream or milk [ ] ½ tsp salt [ ] 110 g plain flour, plus plenty for rolling [ ] 1 tbsp butter, to serve [ ] 1 tsp sugar and cinnamon, mixed, to serve Potato focaccia (6 portions) [ ] 300 g strong white bread flour [ ] 100 g plain mashed potato, cooked and cooled (no milk or butter) [ ] 7 g sachet fast-action dried yeast [ ] 2 tsp fine salt [ ] 250 ml lukewarm water (no hotter than 37°C) [ ] 4 tbsp olive oil, divided [ ] 1 tsp flaky salt [ ] 2 rosemary sprigs Soft potato rolls (8 rolls) [ ] 300 g strong white bread flour, plus more for dusting [ ] 100 g plain mashed potato, cooled [ ] 7 g sachet fast-action dried yeast [ ] 1 tsp sugar [ ] 1 tsp fine salt [ ] 150 ml lukewarm milk [ ] 20 g butter, softened [ ] 1 tbsp milk, for brushing For the experiments [ ] About 600 g more floury potatoes and 200 g waxy potatoes [ ] Extra strong flour and a second sachet of yeast