How do microwaves make delicious crispy yam slices?
In daily life, the most familiar use of microwaves is to heat leftovers and hot milk. Many people think that m...
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In daily life, the most familiar use of microwaves is to heat leftovers and hot milk. Many people think that microwaves can only heat food ingredients simply. But many of the low-fat yam crisps that people often eat can achieve a light and crispy texture with a crisp taste that doesn't require deep frying or minimal oil brushing. This excellent taste can also be baked with a microwave. So, how is it achieved?
I don't know if anyone has had such a life experience: putting damp and soft snacks in the microwave for a short period of time to heat, the moisture evaporates quickly, and the snacks will recover crisply. This is similar to the core logic of industrial processing of yam chips.
The main ingredients of many crispy snacks are starch and water. The raw material of yam chips contains water and has a tight structure, without a crispy taste. Traditional fried chips rely on high temperature oil to quickly dehydrate, expand, and shape, but with high heat content.
Microwave baking relies on the moisture content of the ingredients themselves to achieve crispness, without the need for a large amount of oil assistance. Microwaves have unique penetrating heating characteristics, which not only bake the surface of ingredients, but also allow the inside and outside of yam slices to be heated simultaneously. The moisture inside the billet is rapidly heated and vaporized, instantly generating a small tension that gently supports the dense starch structure of the mountain tablet, forming uniform and fine micropores.
During the continuous and gentle dehydration process, excess water inside the yam slices is taken away, and the starch structure is quickly supported and shaped. The original snack material will form a loose and porous crispy texture. This processing method dries evenly from the inside out, without the occurrence of external coke and internal softness, uneven dryness and wetness.
In food production, this advantage is very prominent. Microwave processed yam crisps have uniform and stable crispness, are not easily softened, and can effectively preserve the fragrance of the snack itself, avoiding the greasy feeling caused by frying. At the same time, the entire process of low-temperature physical dehydration does not damage the original flavor of the ingredients, and there is no need to add too many additives, making it easy to make low-fat and healthy crispy snacks.
In the final analysis, microwave baking of yam crisps does not rely on special equipment functions, but cleverly utilizes the natural law of starch dehydration and shaping when exposed to heat, and uses healthier processes to restore the excellent crispy taste of snacks.
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