The easiest blood formula is to use soap and red food coloring, nothing else. Refrigeration is not necessary but a cool, dark location is preferred. You can also juice beets, or even make something like a borscht.
An elaborate costume can require you to slather yourself in all kinds of makeup, paints, and glues, and putting it on is only half the work. Since all of the ingredients you use in your fake blood are edible, you’ll be OK if you have red teeth or a wound in your mouth.

This is slime like you’ve never seen before. And the supplies are everyday household supplies, costing less than a dollar! The recipes included here are designed to give you the ideas needed to make up your own recipe based on your needs. Use those muscles! With those goals in mind, here are some recipes for realistic-looking edible fake blood. A few gallons of fake blood are just the ticket for your Halloween haunted house, for some innocent pranks, or for emergency preparedness training. Add all of the cornstarch to the bowl. Not sure about flavor. To make this gore, just whip up a batch of our Gross Blood recipe, and make a hunk of Fake Flesh. When you’re mixing a batch, it’s important to remember that what you see in the blender is not what the product will look like on your skin or dripped onto a piece of fabric. One final word of caution: Making fake blood is a blast but it can be very messy. Add water until the mixture is the consistency of blood. Mike shows us how far a little corn syrup, warm water and food colouring can go, especially if you're looking to save a few bucks in your SFX budget. Just take some white corn syrup, red and blue food coloring and corn starch, mix them all together and you'll soon have an appalling concoction that will terrify ...more. Creative things I can do with a rotisserie chicken? In this Halloween props video series, learn how to make fake blood and other Halloween props from Halloween expert Matt Cail. We’ll send you a free experiment every week, plus new products and offers. They all kind of build on each other. However, you’ll notice that this fake blood is a little too transparent. Pranks: 'The water, it burns!!' Introduce the chemistry behind polymers. Sir red food coloring into the corn syrup until you have a deep red mixture. Add more onion flakes to make it clumpier. Mix in food coloring until you achieve the color of blood that you want. Make twice as much Fake Flesh as Gross Blood.
Blend it again and, you guessed it, make sure it blends completely. This recipe combines everything you’ve learned so far about making fake blood and adds a few ingredients that pack a great punch (pun fully intended… as you’ll see).