How to Use Metal Jell-O Molds

Written by martha adams
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How to Use Metal Jell-O Molds
Unmould gelatin carefully from metal moulds. (Eising/Photodisc/Getty Images)

Plain or fancy, any metal container with an open top can mould Jell-O. Decorate your kitchen walls with metal moulds -- they come in all shapes, sizes and patterns. Copper, aluminium and tin moulds make interesting wall decor. Paint the outside for decorating and still mould gelatin in them. Speed up gelatin making by using a pre-chilled metal mould because metal transfers heat faster than glass or plastic, so the gelatin sets faster. Once the Jell-O is gelled, the tricky part is getting it out of the mould intact. There are several ways improve the odds of a perfect result.

Skill level:
Moderately Easy

Things you need

  • Metal mould
  • Thin-blade knife
  • Water in a spray bottle
  • Cooking spray or salad oil
  • Mayonnaise
  • Cling film
  • Serving plate
  • Large bowl of warm water

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  1. 1

    Slip a thin knife blade between the gelatin and the mould to admit air and break the suction. Invert the plate over the mould, hold them firmly together with both hands and flip the lot. If necessary, give the package a sharp shake to loosen the Jell-O. This is the traditional method. The knife trick can be difficult to execute without scarring the gelatin, and the more ornate the mould, the greater the risk.

  2. 2

    If the Jell-O won't come out of the mould, dip the bottom of the mould into the bowl of warm (not hot) water and submerge it up to the rim, but don't let any water get into the mould. Hold it there for about 15 seconds. Remove the mould from the water, add the plate and invert. The idea is to melt the gelatin touching the mould just a little so the whole thing can slide out. Refrigerate the gelatin immediately.

  3. 3

    Spray the interior of the mould lightly with plain water before pouring in the gelatin mixture. When it has set, use wet fingers to pull the gelatin gently away from the sides. Wet the serving plate before placing it over the mould to make it easier to centre the Jell-O on the plate. Wipe away any excess water before refrigerating.

  4. 4

    Spray the inside of the mould with cooking spray or rub it with salad oil before adding the Jell-O. This will help it slide out easily, but may leave a film on the surface. If the gelatin contains fruit or vegetables, any film will be less noticeable.

  5. 5

    Make an opaque gelatin by whipping it or adding cream cheese or cottage cheese and use mayonnaise to "grease the skids." It won't show.

  6. 6

    Spray the mould with cooking spray and then line it with cling film. If a clear gelatin jewel is desired, smooth out all the wrinkles in the cling film before adding the Jell-O. For a "crackle" effect, push the wrap into lots of wrinkles. Turn the moulded gelatin out onto the serving plate and peel off the cling film.

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