Shadowing Practice: Why 350°F is the magic number for baking - Learn English Speaking with Video

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You ever notice this instruction that’s in nearly every baking recipe?
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Preheating your oven to 350 degrees is sort of a basic requirement for baking in America.
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Our ovens even do it automatically as we turn them on, but have you ever stopped and asked yourself ...
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What’s so special about this number?
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I love to bake, but I’m certainly not a pastry chef, so let’s meet someone with a bit more experience.
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This is Michael Laiskonis, the creative director at the Institute of Culinary Education.
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He's a pastry chef.
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So temperature is really important in baking not only to develop color and flavor, but also to control the moisture in our products.
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As the temperature rises and moisture is lost at the surface, we get browning and also the creation of flavor compounds that didn't exist in that product previously.
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This happens because of a chemical process known as the maillard reaction, which occurs when proteins and sugars are transformed by heat and moisture.
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When sugar molecules are exposed to the heat in your oven they start to reduce – or break down – and interact with the proteins.
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That’s when you can see your pastry turning golden brown.
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But it’s not just about that physical transformation.
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You can taste the effects of the maillard reaction too – that's what gives us the flavors of the golden crust on a piece of bread or a nice sear on a steak or that mellow richness of, say, caramelized onions.
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The trick behind that reaction is to find the perfect temperature that sets it into action without over or under-doing it.
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These recipes might make you think that Maillard reaction occurs at 350 degrees, but actually ...
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So these Maillard reactions tend to occur at a fairly low temperature – around 230 to 240 degrees Fahrenheit.
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You want to manipulate the rate at which this reaction occurs both at the surface and internally to get the results you want.
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If we bake too cool, the entire cookie, for example, will dry out before we get that surface drying that will lead to browning.
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If we bake things in too hot an oven, the opposite occurs and we get burning.
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To get it just right we preheat the oven to 350 degrees so the Maillard reaction has time to occur throughout the entire cookie.
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For most home cooks and to also account for the fact that everyone's oven is slightly different, I think 350 is a great benchmark to work from.
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It’s a safe standard for most people, but the number can also be altered to yield slightly different results. Some pastry chefs might bake at 325 if they want a lighter colored cookie, and some push it to 375 for a crispier outside.
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A lot of things that contemporary bakers tend to forget is not too long ago, in history, we didn't have as much control over our ovens or being a pastry chef meant being able to build a fire and maintain an oven temperature.
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Before the 1900’s, when ovens didn’t have temperature regulators, recipe writers instructed bakers to “cook in a moderate” “hot” or “slow” oven depending on the food.
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After the second world war, the temperature gauge was developed and it became widely popular across households.
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Modern ovens typically ranged from 200 to 550 degrees, so over time, recipe writers converted these temperature guidelines to actual numbers -- they settled on the 350 mark for “moderate” which was the sweet spot for baking.
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Using these more specific numbers is really a result of better oven design and better oven control.
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And the more you understand about what goes on inside your oven, the better results you'll get.
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And who doesn't want a better cookie?
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Hey everyone, thanks for watching.
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If you're interested in more food content, head on over our sister channel Eater.
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They've got this cool series where they test out different kitchen gadgets and they recently put up a video on pressure cookers.

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Vocabulario y notas de pronunciación para esta lección

Este vídeo tiene 33 frases y 650 palabras para practicar shadowing. La parte hablada dura 3:31. El hablante habla rápido, unas 185 palabras por minuto, así que espera sonidos enlazados y reducidos. Solo el 79 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es exigente.

Vocabulario clave de este vídeo

15 palabras menos comunes del vídeo, con su pronunciación y significado:

  • oven /ˈʌ.vn̩/ (sustantivo) — horno. A chamber used for baking or heating.
  • bake /beɪk/ (verbo) — hornear, enhornar. To cook (something) in an oven (for someone).
  • occur /əˈkɜː/ (verbo) — ocurrir. To happen or take place.
  • pastry /ˈpeɪstɹi/ (sustantivo) — pastelito, pastelillo. A baked food item made from flour and fat pastes such as pie crust; also tarts, bear claws, napoleons, puff pastries, etc.
  • chef /ʃɛf/ (sustantivo) — chef. The presiding cook in the kitchen of a large household.
  • recipe /ˈɹɛs.ɪ.pi/ (sustantivo) — receta. Any set of instructions for preparing a mixture of ingredients.
  • cookie /ˈkʊki/ (sustantivo) — galleta. A small, flat, baked good which is either crisp or soft but firm.
  • flavor /ˈfleɪvə/ (sustantivo) — sabor, gusto. The quality produced by the sensation of taste or, especially, of taste and smell in combined effect.
  • moisture /ˈmɔɪs.t͡ʃɚ/ (sustantivo) — humedad. That which moistens or makes damp or wet; exuding fluid; liquid in small quantity.
  • moderate /ˈmɑdəɹət/ (adjetivo) — moderado, comedido. Not excessive; acting in moderation.
  • baker /ˈbeɪ.kɚ/ (sustantivo) — panadero, panadera. A person who bakes and sells bread, cakes and similar items.
  • trick /ˈtɹɪk/ (sustantivo) — truco, artimaña. Something designed to fool, dupe, outsmart, mislead or swindle.
  • household /ˈhaʊshoʊld/ (adjetivo) — casero, hogareño. Belonging to the same house and family.
  • settle /ˈsɛtəl/ (verbo) — resolver, dirimir. To determine (something which was exposed to doubt or question); to resolve conclusively; to set or fix (a time, an order of succession, etc).
  • requirement /ɹɪˈkwaɪɹmənt/ (sustantivo) — exigencia, requisito. A necessity or prerequisite; something required or obligatory. Its adpositions are generally of in relation to who or what has given it, on in relation to whom…

Phrasal verbs que vas a escuchar

  • break down (verbo) — descomponerse, averiarse. To stop functioning.
  • go on /ˈɡoʊˌɒn/ (verbo) — continuar. To continue in extent.
  • put up (verbo) — colgar. To place in a high location.

Pronunciación a tener en cuenta

El hablante usa 8 contracciones y formas reducidas, como didn't, doesn't, I'm. Dilas en su forma corta, tal como las oyes.

  • Los sonidos de “sh” y “zh”: chef /ʃɛf/, transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, instruction /ɪnˈstɹʌkʃən/, benchmark /ˈbɛn(t)ʃmɑːk/
  • Palabras largas — cuida el acento: transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, internally /ɪnˈtɜːnəli/, manipulate /məˈnɪp.jʊ.leɪt/, regulator /ˈɹɛɡ.ju.leɪ.tɚ/, caramelize /ˈkaɹ(ə)məlʌɪz/

Cómo practicar con este vídeo

  1. Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
  2. Empieza a velocidad 0,75×, haz shadowing frase por frase y vuelve a la velocidad normal cuando te resulte fácil.
  3. Grábate y compara con el original, prestando atención a palabras como oven, bake, occur.

¿Qué es la Técnica de Shadowing?

Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.

Técnica de shadowing: lee la guía completa paso a paso →