Cabbage Blue Food Dye
A natural blue food coloring made from red cabbage, perfect for tinting frostings and royal icing. This vibrant dye transforms from purple to blue with the addition of baking soda.
4 servings
40 min
Ingredients
- •½ head red cabbage
- •½ cup sugar
- •½ teaspoon baking soda
Cooking Instructions
- 1.
Bring cabbage and 3 cups water to a simmer in a medium saucepan over medium-low heat and cook until cabbage is soft and liquid is reduced by about a third, 20-25 minutes.
25 min
- 2.
Remove cabbage with a spider or slotted spoon; discard. Add sugar to cabbage liquid and simmer, swirling pan occasionally, until liquid is a very deep purple and has reduced to about 1 cup, 10-15 minutes. Let dye cool, then stir in baking soda. Mix into frosting or royal icing to make desired color.
15 min