Mix the food coloring with water and flour. Add 1 tsp. of water and 1 tsp. of flour to every 2 tbsp. of food coloring. Mix thoroughly with a fork.
Using an airbrush machine to apply food coloring to cakes, pies, cookies or other types of food can be difficult. The process requires patience and the utmost precision. The key is to keep the airbrush machine at a safe distance from the food, and apply the food coloring light and even to avoid drips.
Things You'll Need
Fill the airbrush machine with the food coloring mixture. Test the airbrushing on a paper towel before applying it to food to make sure the spray is even. Make sure the mixture is not too thick or too thin so it does not become runny, or clog the airbrush machine.
Create sweeping motions with your hand and spray as evenly and lightly as possible. Airbrush at least 6 inches from the food. Keep your wrist steady as you spray, and do not focus on one area for more than a moment or it will drip and become runny.
If you are creating layers of color, wait for each layer to dry before applying the next layer (unless you are trying to blend the hues). When you are finished, let the food coloring dry completely. Use caution to avoid smears.
Tips & Warnings
- Always spray lightly. You can go back and add more food coloring, but it is difficult to fix if you make a mistake.
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