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First steps

Clear foundations to build confidence, understand heat and start cooking with sound judgement.

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Kitchen science

What changes in food when we control fermentation

Fermentation transforms ingredients through microbial and enzymatic activity. Controlling it can steer changes in flavour, texture and preservation, but it does not produce the same result every time or automatically make a food probiotic.

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First steps

Signals and choices for correcting acidity

Learn to distinguish acidity that brings freshness from acidity that dominates a dish, then choose whether to soften its perception or neutralize some of it. A gradual method helps you adjust without losing balance.

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First steps

The fundamentals of thickening a sauce

Learn how to assess a thin sauce and choose between reducing it, adding starch, or blending ingredients it already contains. Each method changes the sauce differently; tomato sauce intended for canning calls for separate preservation rules.

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Kitchen science

What changes in food when we control starch

Starch can thicken a preparation during cooking and change its structure as it cools. Understanding those changes helps you manage texture and recipe design without assuming that cooking technique alone establishes a food’s nutritional effects.

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First steps

Signs and decisions that help you sharpen a knife

A crushed tomato skin, paper that catches, or extra effort while cutting can indicate that a knife needs attention. Learn to distinguish honing from sharpening, choose a suitable method, and know when to stop.

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