Catering Equipment, Tips

Bain-Maries: Your Questions Answered

Bain maries are essential in many commercial kitchens for keeping food warm and serving it at its best. Whether you’re considering purchasing a bain marie for the first time or simply want to learn more, this FAQ will cover everything from suitable foods to optimal temperatures. Read on to get answers to common questions and see how a bain marie could be the perfect addition to your kitchen. For high-quality bain maries, check out our selection at Caterware.


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What food can you put in a bain-marie?

A bain marie is suitable for delicate foods that benefit from gentle, even heat. It’s perfect for sauces, custards, soups, melted chocolate, and steamed vegetables. Foods that might dry out or become overcooked on direct heat, like casseroles or mashed potatoes, also stay moist and delicious in a bain marie.

How long can you keep food in a bain-marie?

Food can generally be kept in a bain marie for up to two hours below 63°C, but for optimal safety, it’s best to keep hot food above 63°C. Using a digital thermometer to monitor temperatures ensures the food remains at a safe serving temperature.

What is the difference between a chafing dish and a bain-marie?

While both are used for keeping food warm, a bain marie heats food gently in a water bath, making it ideal for delicate foods. In contrast, a chafing dish is better suited for quick, direct warming, often used in buffet settings for sturdier foods that don’t require gentle heating.

Is it necessary to use a bain-marie?

A bain marie is highly recommended for dishes that require gentle, indirect heating, like custards, melted chocolate, or hollandaise sauce. It’s also invaluable in buffets or catering settings, keeping food warm without drying out, which helps maintain food quality over time.

Does a bain-marie cook eggs effectively?

Yes, a bain marie is excellent for egg-based dishes like custards, quiches, or sauces. The gentle heat prevents overcooking, which is essential for achieving the ideal texture in egg dishes that are sensitive to high temperatures.

Can you keep sausages in a bain-marie?

Yes, but with caution—high heat can cause sausages to lose flavour and split. Keep the temperature around 75°C to maintain their integrity, and consider placing them in a shallow pan within the bain marie to prevent them from becoming waterlogged.

Can you put chips in a bain-marie?

While you can keep chips warm in a bain marie, prolonged holding can cause them to lose their crispness. Bain maries are better suited for moist foods like casseroles, soups, or stews that benefit from even, gentle warmth.

What is the bain-marie ideal for?

A bain marie is ideal for gently warming and holding foods at serving temperature, such as sauces, soups, and casseroles. It maintains consistent heat, ensuring food is ready to eat without further cooking.

What is the 4-hour food rule, and how does it apply to bain maries?

The 4-hour rule indicates that food held in the temperature danger zone (5°C–60°C) for up to four hours should be used, reheated, or discarded. For food safety, it’s best to keep your bain marie at 60°C or above to avoid the risk of bacterial growth.

Can you keep rice in a bain marie?

Yes, rice can be kept warm in a bain marie, but it’s essential to monitor it closely to prevent bacterial growth. Using clean, tight covers will help retain moisture, and keeping the temperature above 60°C ensures the rice remains safe to serve.

What is the ideal bain-marie temperature in Australia?

The recommended temperature in Australia for bain maries is 60°C or higher, ensuring food remains safe and outside the danger zone. This temperature setting helps prevent bacterial growth and keeps food at an ideal serving temperature.

Which is better, dry or wet bain-marie?

Wet bain maries offer consistent moisture, making them ideal for foods that could dry out. Dry bain maries are energy-efficient and portable but may not provide the same level of moisture. The choice depends on your specific kitchen needs and types of foods served.

Do you use hot or cold water in a bain-marie?

For a wet bain marie, it’s best to start with hot water for faster heating and even distribution. Ensure the water level is adequate to surround the food pan, maintaining consistent warmth without letting the pan dry out.

Can you reheat food in a bain marie?

Bain maries are designed for holding food at serving temperature rather than for reheating from cold. Reheating food in a bain marie can take too long and may not bring food to a safe temperature quickly enough. It’s best to preheat food and then transfer it to the bain marie.

Can you keep mashed potatoes warm in a bain-marie?

Yes, mashed potatoes stay warm and creamy in a bain marie without drying out. Place them in a covered pan to retain moisture and stir occasionally to keep the texture smooth.

What foods are not suitable for a bain-marie?

Foods that need high, direct heat or quick, crisp results, like fried foods, chips, and baked items, are not suitable for a bain-marie. The gentle, indirect heat of a bain-marie can make these foods soggy or compromise their texture. It’s best to avoid foods that need a crisp exterior or rapid cooking.

Can you use a bain-marie to temper chocolate?

Yes, a bain-marie is ideal for tempering chocolate, as it allows for slow, gentle melting without overheating. Place chopped chocolate in a heatproof bowl over a pot of simmering water, ensuring the bowl does not touch the water. Stir gently until the chocolate reaches the ideal temperature range for tempering (generally between 27–32°C for dark chocolate).

How often should you refill the water in a bain-marie?

You should check the water level periodically, especially if the bain-marie is in use for extended periods. In a wet bain-marie, the water can evaporate over time, especially if used at high heat. Refilling every 1-2 hours, depending on usage, ensures even heating and prevents the unit from running dry.

Is it safe to keep dairy-based sauces in a bain-marie?

Yes, it is generally safe to keep dairy-based sauces in a bain-marie, as long as the temperature is maintained above 60°C to prevent bacterial growth. Stir the sauce occasionally to maintain a consistent texture and avoid scorching, as dairy can sometimes separate or form a skin if left undisturbed.

Do I need a special bain-marie for catering?

For catering, it’s beneficial to have a portable, reliable bain-marie with features like adjustable temperature control and easy transport. Many catering-specific bain maries are designed to handle various container sizes and may include dry heat options for easier mobility.

Are bain maries energy-efficient?

Yes, bain maries are relatively energy-efficient, especially when using dry heat models. They maintain food temperatures at a steady level without needing to reheat, which can save energy over time compared to repeatedly using ovens or microwaves to rewarm food.

Can you use a bain-marie at home?

Absolutely. Many home cooks use bain maries for melting chocolate, making custards, and gently cooking dishes that require stable temperatures. Smaller, countertop bain maries are suitable for home kitchens and can be a valuable tool for those who enjoy precise cooking techniques.

How does a bain-marie work in a buffet setting?

In a buffet, a bain-marie maintains food at a safe serving temperature without overcooking or drying it out, which is essential for food safety and quality. It allows guests to serve themselves from dishes that are kept warm and ready to eat. Bain maries also provide an attractive, professional display for buffets.

What’s the best way to clean a bain-marie?

To clean a bain-marie, start by turning it off and letting it cool down. Drain any remaining water if using a wet model. Wipe down the interior and exterior with a non-abrasive cleaner and a soft cloth, paying attention to any removable parts, which can be soaked in warm, soapy water. Dry thoroughly to prevent water spots or rust.

Can a bain-marie double as a slow cooker?

Yes, in certain cases, a bain-marie can be used similarly to a slow cooker, especially for dishes that need gentle heat over a longer period. However, a bain-marie doesn’t reach the higher temperatures of a slow cooker, so it’s best for foods that can cook at low temperatures without needing to reach a boil.

Ready to bring a bain marie into your kitchen?

Shop our bain marie collection at Caterware and find the perfect model for your needs. With our range of options, you’ll discover an efficient way to keep food warm, improve kitchen operations, and serve meals at their finest.

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