How to Make Fake Blood with Flour

Making fake blood with flour is an easy way to make a gory mess for a play, Halloween party or just for fun. One of the challenges that comes with making fake blood is finding a way to make it look realistic. When you add flour to your fake blood recipe, you’ll find that the blood is thicker and looks more like the real thing. Making a batch of fake blood can be accomplished in just a few short steps.

Things You'll Need

  • Flour
  • Water
  • Red food coloring
  • Coffee
  • Chocolate syrup

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Step 1

Boil water on your stove or in an electric kettle. Slowly add the flour a little at a time, stirring after each addition. You’ll need about 1 to 3 tablespoons of flour for each cup of water.

Step 2

Reduce the heat to low when all of the flour has been added.

Step 3

Stir the flour and water, making sure to get rid of all of the lumps. If you are going for a blood and guts look, you may want to leave a few lumps in the mixture.

Step 4

Add several drops of red coloring to the flour and water mixture. Stir the food coloring into the mixture. If the blood looks too pink, add a few more drops and stir again. Use as much red food coloring as necessary to make the blood the desired shade.

Step 5

Add 1 teaspoon of coffee to the mixture to darken the blood a little. The mixture should be hot when you add the coffee in order for the coffee to dissolve properly.

Step 6

Let the mixture cool completely before using to avoid a burn. Drip on clothing or body for a bloody effect.

Tips & Warnings

  • If the blood is still too red after adding the coffee, try adding a little chocolate syrup after the fake blood mixture has cooled slightly.
  • Red food coloring will stain skin and clothing and you will probably want to wear old clothing when making and using fake blood. Adding a few drops of dishwashing liquid can help reduce staining.
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