The Forktionary Angle
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Definition
A starch extracted from the rhizomes of the tropical Maranta arundinacea plant, used as a thickening agent in cooking.
Sensory Profile
Technical Metrics
Nutrition Facts
Per 1 tbsp (8g)Chef’s Secret
Always mix arrowroot with a cold liquid (slurry) before adding to hot mixtures to prevent lumps. Add it at the end of cooking, as prolonged boiling can reduce its thickening power.
Substitutions
Cornstarch
1:1Excellent for thickening, similar clarity and neutral flavor, but less acid-stable.
Tapioca Starch
1:1Similar thickening, good for glossy sauces and desserts, also gluten-free.
Potato Starch
1:1Strong thickening power, can become stringy if overcooked, gluten-free.
All-Purpose Flour
2:1Less effective, makes sauces opaque, requires longer cooking to remove raw flour taste.
Buying Guide
Look for fine, white powder. Store in an airtight container in a cool, dry place.