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*.