Watch Esty get a little carried away with this super fun edible activity here!
Melt marshmallows in the microwave for 30 seconds.
Stir and incorporate the water and corn syrup. If clumpy, return to microwave for 10 seconds more.
Add a few drops of desired food coloring and stir until uniform.
Use a food-safe paintbrush to brush edible paint on cookies or hamantaschen. Enjoy!