CCC Advanced Culinary Techniques 2

Question 1

When cooking sous vide, what is the primary food safety concern with holding proteins below 130°F (54.4°C) for extended periods?

Accepted Answer

Growth of Clostridium botulinum and other pathogens in the anaerobic environment

Answer

Below 130°F, pathogens like C. botulinum can multiply in the anaerobic vacuum-sealed environment, so extended cooking must stay at or above this threshold.

Question 2

In a classic liaison used to finish a velouté, what is the correct ratio and procedure?

Accepted Answer

Combine egg yolks and cream, temper with hot liquid, then add back without boiling

Answer

A liaison of yolks and cream must be tempered gradually and never boiled afterward, or the yolks will curdle.

Question 3

Which technique best describes cooking duck confit?

Accepted Answer

Curing the legs in salt, then slowly poaching them submerged in their own fat

Answer

Confit is a preservation technique where salt-cured meat is gently cooked and stored submerged in fat.

Question 4

A chef's beurre blanc keeps breaking during service. What is the most likely cause?

Accepted Answer

The sauce is being held at too high a temperature, melting the emulsified butter

Answer

Beurre blanc is a fragile butter emulsion that separates when held above roughly 135-140°F.

Question 5

What is the purpose of 'blooming' gelatin sheets before adding them to a warm liquid?

Accepted Answer

To hydrate the gelatin so it dissolves evenly without clumping

Answer

Soaking sheets in cold water hydrates the gelatin so it melts smoothly and evenly into warm liquids.

CCC Practice Test

CCC Practice Test

CCC Advanced Culinary Techniques 2