Because these paints are food grade, you should keep them refrigerated for maximum longevity. I recommend using them within two weeks of making them, but the texture is best the same day you make them.
Step 1: Gather Ingedients & Jars
1/2 cup corn starch
1/2 tsp kosher salt
3 tbsp granulated sugar
2 cups water
Food Coloring of choice * I used AmeriColor Soft Gel paste* Gel paste = brighter colors
Jars of your coice
* I doubled the recipe for 6 half-pint, wide mouth jars*.
Step 2: Cook the Ingredients
**If you have a lot of clumps once you have finished with mixture, you have cooked the mixture too long**. This is a fairly short process, between 6 & 8 minutes depending on your stove top. You should not walk away from the stove until you have finished the process.
Step 3: Add Food Coloring
The easiest way to add the color to the finger paints is to separate the mixture into zip-lock backs. One zip-lock bag per color. Add a few drops of coloring into each bag. Seal the bag and knead back and forth until none of the clear mixture remains.
***Once the mixture cooled completely, the consistency changed and was a little clumpy. I found that once I stirred the coloring into the jars, the consistency was a little better and it didn't affect the final texture of the paints***.