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The grease spray

As soon as you have something in a recipe that sticks to the mold, the question always arises as to how difficult it is to remove from the mold.
There's nothing more frustrating than breaking your cake when unmolding it, because part of it has stuck in the mold.

The classic way to avoid this is to butter the cake copiously, and sometimes even flour the mould to make unmoulding easier.

It's always a bit time-consuming, and you need soft butter, a brush and so on. Is there a quicker way?

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Keywords for this post:Butter Unmould Spray Oil Film Fat Pastries

Last modified on: August 26^th 2025

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Professionals have to deal with this problem every day, so they've opted for a fast, effective system they call "grease spray", which for us amateurs is better known as "demolding spray".

What's a grease spray?

A "grease spray" is a vegetable-based food spray designed to grease molds, baking trays or supports before pouring in a preparation, to ensure easy release from the mold.

It replaces butter or flour for greasing, and is sprayed directly onto the surface to be treated, creating a uniform film that prevents the preparation from sticking.

This ensures rapid demolding, protects molds from corrosion, and makes them easier to clean.

What does it contain?

They are generally composed of neutral vegetable oil (rapeseed, soybean, coconut...), sometimes emulsifiers (lecithin), and a propellant gas (nitrogen, butane, propane, depending on the brand).

These sprays transmit neither taste nor odor to the pastry, and are compatible with all types of molds (glass, silicone, metal, etc.).

How do I use it?

It's as simple as spraying an even film on the bottom and edges of the mold...

... it takes just a few seconds, turns into a thin layer of white foam, and that's it!

Then all you have to do is pour in the paste.

Where can you buy them?

You can now find them in supermarkets, under the name of "demolding spray", but as always when it comes to equipment, it's best to buy from a professional store, where you'll find the best choice and the best prices.

To sum up: the quickest and easiest alternative to buttering molds is a grease spray, which you'd be well advised to buy from a professional store.

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