Open it with /rezepte. Pick a mod at the top, turn pages at the bottom.
mp;2Left-clickmp;0 an item: how to make it.
mp;2Right-clickmp;0: what it is used for.
The name tag searches by name (German and English). Use mp;2@ic2mp;0 to search one mod only.
Inside a recipe you can click ingredients again. The arrow at the bottom left goes back.