Homemade Natural Blue Food Coloring
Avoid artificial food colors and try this simple homemade natural blue food coloring for your family instead.
How to Make Homemade Blue Food Coloring
Wash the cabbage and cut out the stem. Chop into small pieces.
Place cabbage pieces in a pot and add water until covered. Simmer for 10 minutes. Drain.
The result is this purplish liquid.
Add baking soda until you get a nice blue hue.