noun
bread flour; strong flour; hard flour
High-gluten wheat flour used primarily for bread making. In Japanese baking contexts, it is contrasted with 薄力粉 (cake flour) and 中力粉 (all-purpose flour).
パンを作るときは強力粉を使います。
When making bread, I use bread flour.
強力粉と薄力粉の違いは
The difference between bread flour and cake flour is the gluten content.