What is Frothed Milk?

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If you’ve ever wiped a bit of cappuccino foam off your top lip, you’ve had some experience with frothed milk. It’s an essential part of many cafe-style drinks, but just how much do you know about it?What is frothed milk, really?

这是有抱负的咖啡师或好奇的咖啡爱好者的泡沫牛奶的所有方法。

What is It Then?

Very simply put, frothed milk is milk that has beenaerated to create a light and foamytexture. The perfect milk froth for coffee should have a light feel but be firm enough to hold its shape. Bubbles should be visible, but of a consistent size throughout the foam.

牛奶泡沫的质地和寿命将取决于您使用的方法，无论您是否加热，最重要的是type of milk you use。创建结构的能力取决于牛奶中的蛋白质，而脂肪含量可提供稳定性。全牛奶会产生更丰富的泡沫，而脱脂牛奶会产生“干燥”牛奶泡沫（1).

蒸牛奶和泡牛奶有什么区别？

The terms steamed milk and frothed milk are often used interchangeably, but they’re not the same thing. Steamed milk is also aerated, but the bubbles are much smaller. The result is thesmooth microfoamessential for lattes and latte art.

创建蒸牛奶需要使用蒸棒，这会加热牛奶在增加质地时加热牛奶。可以使用各种方法来创建泡沫牛奶，并且可以加热或保持冷。

Still confused? Read more onthe difference between steamed milk and frothed milk。

What is frothed chilled milk?

Frothed chilled milk is, simply, the milk you don’t heat during the aeration process. This usually means using a manual frothing method like a whisk or blender, but somegood milk frothersalso offer cold froth options. Frothed chilled milk is an excellent topping for iced coffees or cold brews.

There’s not much to know abouthow to froth milk——的轻松,你甚至可以不这样做ny special equipment. You can incorporate air into your milk using a French press, a blender, or even by shaking it in a jar (with a tight lid). Heat it first on the stovetop or in the microwave for warm milk froth.

The only downside to makeshift methods is that it’s much harder to control the texture of the resulting milk froth. You’ll undoubtedly get bubbles, but you might not get the stiff, scoopable foam that you’re used to.

If you drink cappuccinos regularly, you might want to invest in an automatic or handheld milk frother. Both will create cafe-quality milk froth, and the automatic models will heat your milk simultaneously.

What is frothed milk used for?

The most well-known use for frothed milk is in a cappuccino, but you’ll find it on a whole range of espresso-based drinks. The difference between acappuccino, latte vs macchiatois simply the ratio between coffee, milk foam, and steamed milk (if any).

…the whole idea behind frothing milk is creating a sweet, creamy texture. Heating milk increases its apparent sweetness, but only to a point.

Adding milk foam to a coffee creates addedtexture and a creamy mouthfeelthat regular milk won’t provide. The combination of aeration and heating can also make the milk taste sweeter without sugar.

Final thoughts

泡牛奶听起来很简单。这种轻巧通风的泡沫对于许多咖啡饮料至关重要，您可以轻松地在家中制作。只需检查您的食谱是否需要牛奶泡沫而不是蒸牛奶。

FAQs

The ratio of steamed to frothed milk in a cappuccino is traditionally 1:1. A standard cappuccino recipe calls for 1 oz espresso, 1 oz steamed milk, and 1 oz of milk froth. There’s a variation on the drink known as abone dry cappuccino, which uses 1 oz espresso and 1-2 oz of milk foam, with no steamed milk.

No, frothed milk can’t be stored as the foam will disintegrate. Even when prepared correctly, the bubbles in frothed milk begin to collapse within 2-3 minutes, so it’s best prepared immediately before serving (2).

No, frothed milk isn’t bad for you–it has the same nutritional content as the milk you start with. If you’re concerned about the fat content or calories in regular milk, you can make frothed milk with skim milk, or milk alternatives such as almond milk (3).

参考

Blais, C. (n.d.) The Facts About Milk Foam. Retrieved from https://www.ricardocuisine.com/en/articles/food-chemistry/521-the-facts-about-milk-foam
Grant, T. (2021, January 22). Why does milk foam disintegrate? Retrieved from https://perfectdailygrind.com/2021/01/why-does-milk-foam-disintegrate/
Krans，B。（2020年，3月5日）。比较奶牛：杏仁，乳制品，大豆，大米和椰子。取自https://www.healthline.com/health/milk-almond-cow-soy-rice

What is Frothed Milk?