Why a Skin Forms on Hot Milk
Put simply: the skin that forms on hot milk is a thin film of concentrated milk proteins, fat and other solids that develops at the air–liquid surface as the milk heats and water evaporates.
All Quinnoa articles in one place.
Put simply: the skin that forms on hot milk is a thin film of concentrated milk proteins, fat and other solids that develops at the air–liquid surface as the milk heats and water evaporates.
Whipped cream becomes butter — when continued beating pushes the fat-globule network past the point needed to stabilize air and into full coalescence.
Cream usually refuses to whip: it is too warm, too low in fat, or the equipment and process never allow a stable fat network to form around the air bubbles.
Yes: mushrooms can be washed before cooking; the useful rule is to wash them shortly before use and dry the surface rather than soaking them for a long time.
Scrambled eggs release water — when their protein network tightens enough to squeeze moisture back out.
Milk can split in coffee: hot, acidic coffee makes milk proteins less stable.
Directly: the white material that appears on chicken during cooking is usually coagulated protein mixed with water, not pus, fat or a sign that the meat is spoiled.
Pasta water foams: starch and other surface-active material released from the pasta stabilize bubbles at the top of the pot.
Yes: watermelon seeds are edible. — Mature black seeds are not poisonous and can be swallowed, roasted or eaten with the flesh; soft white immature seeds are edible too.
Papaya seeds are eaten in small culinary amounts in some preparations and have a peppery flavor; but there is far less evidence supporting large amounts or supplement-style use.
Yes: broccoli stalks are edible and often sweeter than expected. — the outer layer can be fibrous, but peeling it reveals a tender, crisp center.
The skin of many squash varieties is edible, but whether it is pleasant to eat depends on the variety and cooking method. — Thin skins can soften; others remain leathery even after roasting.