Strong White Flour Is The Type Bakers Use For Bread Dough. High In Gluten In Makes A Good Risen Batter Or Dough. In England We Have 'Crumpet Rings' Which Are Metal, About 3" In Diameter. These Are Placed Into A Fry Pan And Act As Moulds While The Crumpet Cooks. Crumpets Can Be Anywhere Between 2"And 5" In Diameter.