% starch can be crafted with the following recipes

Skill used: cooking
Required skills: N/A
Difficulty: 1
Time to complete: 20 minutes
Tools required:
> 1 tool with hammering quality of 1
> 1 tool with containing quality of 1
Components required:
> 2x dahlia root OR 2x raw potato OR 2x irradiated potato OR 4x cattail stalk

Skill used: cooking
Required skills: N/A
Difficulty: 1
Time to complete: 40 minutes
Tools required:
> 1 tool with hammering quality of 1
> 1 tool with cutting quality of 1
> 1 tool with containing quality of 1
Components required:
> 1x cattail rhizome