What are some naturally blue foods?

Fruits:

* Blueberries: Perhaps the most well-known blue food.

* Huckleberries: Similar to blueberries, but smaller and with a more tart flavor.

* Blackberries: While technically black, they can sometimes have a bluish hue.

* Concord Grapes: These purple grapes are a good source of natural blue coloring.

* Figs: Some varieties of figs have a bluish-purple skin.

* Dragon Fruit: Also known as pitaya, this fruit comes in a variety of colors, including blue.

Vegetables:

* Blue Potatoes: A rare variety of potato with a distinctive blue flesh.

* Blue Corn: A type of corn that contains anthocyanin pigments, which give it its blue color.

* Blue Spirulina: A type of algae that is often used as a food supplement.

* Blue Pea Flowers: These edible flowers are used to create natural blue food coloring and drinks.

* Purple Sweet Potatoes: While not technically blue, they have a rich purple color that can appear bluish in certain lighting.

Other:

* Blue Cheese: The blue veins in this cheese are caused by a type of mold.

* Blueberries: While not technically food, the vibrant blue color of blueberries is often used in food coloring.

Note: Some of these foods may appear more purple or violet than blue depending on the variety and how they are prepared.