Silicone moulds don't look like they should be able to take the heat, but they do -- despite their resemblance to rubber, they hold up at temperatures up to 274 degrees Celsius, making them useful for baking and moulding hot melted candy. Silicone moulds can be frozen to make shaped ice cubes and flavoured ice pops; they can be used to mould crafts such as soap and candles; and they're even microwaveable. Though silicone moulds are immensely versatile, they must be used properly to ensure that they last and hold their shape.
Wash your silicone mould with dish soap and water before your first use, and after every use. Always dry the mould before using or storing.
Grease your silicone mould before the first use only. The mould doesn't need to be greased for subsequent uses.
Fill the silicone moulds about 2/3 full of batter for baked goods. You can fill it to the top when using material that doesn't increase in size as it sets, such as soap. If there are sections of the mould left empty, fill them with flour before baking, as heating an empty mould can damage it.
Place small moulds on a baking tray to keep them stable, especially in the oven. Larger moulds should be baked directly on the oven rack to allow for more even heating.
Place the oven rack on the lowest position in a conventional oven, or in the middle position in a convection oven, when baking with a silicone mould. Never use a silicone mould in the grill or set the oven temperature over 500 degrees Fahrenheit.
Set the timer for about 10 minutes less than the baking time called for in the recipe, especially when you use shallow moulds. Check the baking progress periodically the first time you use the mould to determine the timing for future batches. In general, it takes the same amount of time to bake something in silicone as in metal, as long as the pan sizes are equal.
Cool items baked in a silicone mould on a cooling rack.
Remove your finished product from the mould by pressing on the bottom of the mould, to release it. Since the silicone is flexible, items should come out easily.
Store clean, dry silicone moulds in a cool place. Don't stack the moulds or stack other items on top of them.
You can also use a silicone mould to shape potato salads, cold gelatin desserts and cranberry sauce.
If you use a silicone mould for non-edible crafts such as candle-making, don't use the same moulds later to make edible items such as candy.