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17 votes
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Can flour be used interchangeably with starch?

No, flour and starch are very different things. Starch is a molecule consisting of a chain of glucose rings. It is one of the main ways plants store energy. … It so happens that starch is a molecule present in large amount in many flours. Wheat flour is about 90% starch, and rice flour is close to 100%. …
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7 votes
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What is the relationship between starchy vegetables/fruits and root vegetables?

Onion bulbs contain stored energy primarily as sugars, not as starch. … So, there are many non-root vegetables which are high in starch. You may want to note that starch needs to be cooked, while sugars don't. …
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6 votes

Is it possible to make transparent / translucent pastry?

Arrowroot starch is frequently used in this role on fruit pies, I don't see a reason why it shouldn't work on savory pies. …
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8 votes
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Does starch thickened custard get thinner after a few days?

It is not the starch alone, but the combination of starch and egg yolks. Yolks contain an enzyme which digests starch after some time, making the whole custard thinner. … If you absolutely have to use a custard with both starch and yolks, either consume it quickly, or boil it well (at least of minute of visible bubbling) to deactivate the yolk enzymes. …
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19 votes

How to infuse starch into potato?

You can't infuse starch into a potato. A potato is not a sponge, and even if it were, infused starch wouldn't work. … to starch than simply the amount. …
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4 votes
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Can I make potatoes sweet by cooking them?

And when we come to your specific example, it is a no: starch doesn't break down into sugars at potato-cooking temperatures. … Even if you were to heat starch more, it doesn't become especially sweet - you can observe it when making dark roux. …
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6 votes

Is there an authoritative source on whether salt affects pasta stickiness?

Starch: advances in structure and function. I searched this book on Google books for "salt" and it listed some experiments done with potato starch. … So if the information that salt limits starch gelation is based on this book, it is valid for potato starch. …
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4 votes
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Pudding vs. laundry starch - Add water gradually or all at once?

You can either dissolve the starch in a little cold water first and then gradually warm it up, or you can dissolve the starch in all of the cold water and then start warming it up. … The "dump all together" method is the more tedious one, because you have to stir constantly until you are ready, else the starch sediments and burns on the bottom, especially if you are an old-time cook …
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