How to Make a Pastry Bag Out of a Ziploc Bag

Written by deborah h. schreiben
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How to Make a Pastry Bag Out of a Ziploc Bag
Fig. 1

Decorating a cake with frosting dispensed through pastry bags and decorating tips allows you to turn a ho-hum cake into a work of art. Unfortunately, pastry bags are difficult to clean, especially since frosting contains shortening that leaves a greasy film inside the bag. Food colouring used to dye frosting also sometimes stains. You can make cake decorating easier by using a Ziploc bag instead of a pastry bag. When you are finished decorating your cake or when you want to work with a different colour frosting, simply throw the old bag away.

Skill level:
Moderately Easy

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Things you need

  • Ziploc bag
  • Scissors
  • Cake decorating tip and coupler

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  1. 1

    Snip a 1/4-inch line diagonally across the bottom corner of a Ziploc bag.

  2. 2

    Put the decorating coupler inside the Ziploc bag and insert the smaller hole of the coupler through the hole in the bag. Push it in just far enough so that the bottom of the coupler is sticking out of the bag. Do not push the threads of the coupler though the hole. Insert firmly, but do not force the coupler into the hole hard enough to rip the bag. See Fig. 1.

    How to Make a Pastry Bag Out of a Ziploc Bag
    Fig. 1
  3. 3

    Slip the desired decorating tip over the end of the coupler that is sticking out of the bag. See. Fig. 2.

    How to Make a Pastry Bag Out of a Ziploc Bag
    Fig. 2
  4. 4

    Put the coupler ring over the tip and screw the ring onto the coupler. The Ziploc bag will be caught between the threads of the coupler and the ring. See. Fig. 3.

    How to Make a Pastry Bag Out of a Ziploc Bag
    Fig. 3
  5. 5

    Fill the bag with desired frosting. Squeeze out excess air and slide zipper part of the bag closed. Squeeze the frosting to make it come out the decorating tip.

Tips and warnings

  • If you do not have a decorating tip, you can make a simple line of frosting come out through just a small hole snipped in the corner of the Ziploc bag. To avoid making the hole rip when the frosting is being pushed through, use thinned frosting and apply gentle pressure only.

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