Imagine biting into a soft, creamy slice of bread. The outside is chewy with protruding bubbles, and the inside tastes so sweet that you can even smell it baking in the oven! This might sound too good to be true, but milk can be the solution to perfect bread, yet it can also be a problem. Let’s see how to use milk in bread and if milk is better than water when baking bread.
To reveal the impact of using milk as the primary liquid in bread making, it’s best to start off with what is in milk. Of course, the majority of milk is water (87%). This makes it a possible alternative to water to make bread dough. If converting a recipe from water to milk, the amount used should increase to prevent a dry dough.
Lactose, present in milk, is a sugar that does not break down during the fermentation process. It’s not sweet tasting either but what it does do is caramelise when baking. To compensate for this, the temperature of the oven should be reduced to prevent the bread from burning or the crumb from remaining raw.
The fat found in milk makes a big difference to the dough. They alter the crumb structure by shortening the gluten strands and binding the gluten bonds more securely. This produces bread with a smaller yet stronger crumb. Bread containing fat will also have a longer shelf life as moisture retention increases and starch retrogradation slows down.
Milk is more alkaline than water. Yeast fermentation prefers a slightly acidic environment. Therefore, milk’s higher pH value slows down the rate of fermentation. This can lead to an enhanced gluten structure due to a longer development time. It also means there is less organic acid activity which should produce a lighter-tasting loaf of bread.
Due to the slower rise, bread that contains milk usually requires sugar in the dough recipe. The sugar speeds up the action of the yeast to be more in line timewise with water-based doughs. It also adds a sweeter flavour that partners with the rich and creamy flavour notes of milk bread.
All in all, milk has several benefits when added to bread dough:
Milk produces a softer loaf with a finer crumb due to its higher fat content. It also gives richer flavour and browns more easily than a water-based dough because of caramelizing lactose sugars. It also has a longer shelf life due to the fat it contains.
Milk contains glutathione which is a tripeptideÂ. This softens the gluten, which will weaken the structure of the bread. By scalding the milk, glutathione is destroyed, which prevents any damage to the gluten. Scaled milk is the secret to making soft, airy bread. It has a firmer texture that will rise up better during baking for an attractive loaf with a softer crumb and higher volume.
At 180 degrees, milk becomes scalded. To do this, heat the milk in a pan when it reaches 180F (82C) for just a second, and remove it from the heat. This is just below boiling point, and you should see some steam while small bubbles will form at the edge of the pan. If this temperature is exceeded, milk can produce an unpleasant flavour which you will want to avoid! It’s important to keep a close eye on your milk to prevent it from boiling.
You might be thinking the milk is already heated in the pasteurising process, so do you really need to scald milk for baking? Pasturising removes a lot of the bacteria in the milk by heating it to 181F (82C). This prevents you from getting ill if bad bacteria are present, yet it also removes much of the good bacteria and flavour.
Coming from a farming family, the taste of fresh unpasteurised milk is far superior to the stuff you can buy in the shops – but it is not as safe to drink!
Scalding requires the milk to be heated to a higher point to remove the glutathione which is necessary when baking bread. It is also beneficial to cakes and other baked goods that contain wheat flour. But as cake recipes usually contain less milk, it is often deemed unnecessary to scald it. When baking in large quantities, it can sometimes be a worthwhile step.
Instead of having to scald the milk, many bakeries will use milk powder. This is scaled in the production process, which is very challenging in a busy baking environment. Add 2% to 8% of milk powder per the dough’s total flour weight to see the benefit of using milk in your dough.
Semi-skimmed and skimmed milk have less fat than whole milk. Therefore, the benefits of the fat in the milk will be much less. Skimmed powdered milk is much more readily available than whole-fat milk powder. If you use skimmed milk powder, you may wish to add extra fat in another format, such as butter, cream or oil.
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Hi, I’m Gareth Busby, a baking coach, lecturer and bread fanatic. My goal is to help you become a better baker.
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