How to make your own cake decorating gel
The key word in the phrase "cake decorating gel" is gel, which is short for gelatin. The same stuff that gives jelly its texture and body is what you need to make your own cake decorating gel at home. It is sold in unflavoured packs in the baking aisles of most supermarkets.
Unlike icing, decorating gel is sweet, but doesn't add flavour to cakes. This means it works with whatever decorations you are using on your cake. Mixing up a single batch of clear decorating gel allows you to divide it and create whatever colours you need.
Whisk two sachets of unflavored powdered gelatin into the water in a medium saucepan. Heat over a medium heat, just until steam begins to rise from the mixture.
Add the light syrup to the gelatin and water mixture and stir it in with the whisk. Heat until steam rises from the saucepan again and then turn it off. Do not boil.
Divide the clear decorating gel into small bowls; use one bowl for each colour of decorating gel that you want to create.
Mix a drop of liquid food colouring into each bowl of clear decorating gel with a toothpick. Stir until the colour is completely absorbed and evenly distributed with no streaks. Add more liquid food colouring, if necessary, a drop at a time, until you reach your desired shade.
Store any unused decorating gel in airtight containers or plastic bags in your fridge.
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