This corn syrup–based fake blood recipe is edible, making it useful for wannabe vampires on Halloween.

Ingredients

　　3/4 cup corn syrup

　　1/4 cup water

　　1/2 teaspoon red food coloring

　　5 drops blue food coloring

　　2 drops green food coloring

　　1 tablespoon corn starch

　　In a small bowl, whisk together the corn syrup and water. Add the red, blue, and green food colorings and whisk until well combined. Whisk in the corn starch and let the liquid sit for 10 minutes to thicken.