When you apply sudden force (like punching or squeezing), the cornstarch particles jam together, making the mixture act like a solid. When left alone or handled gently, the particles can slide past ...

Sprinkle cornstarch lightly on furniture after polishing ... then brush off the dried residue and vacuum it up. Or experiment with these other homemade carpet stain removers.

To ensure that your cookies are as tender as possible, it's best to experiment with your cornstarch measurements until you get your cookie batch as soft as your heart (and mouth) desires.