: Sold by Homefire and other eco-fuel retailers as a sustainable alternative to firewood.

In the coffee industry, a "brick" or "block" typically refers to finely ground espresso-style coffee that has been vacuum-sealed into a hard, solid rectangular shape.

: Created by Big Island Coffee Roasters , these look like chocolate bars but are made entirely of Hawaiian coffee.

Do not eat or drink these. They are made from recycled coffee grounds and are intended for wood-burning stoves or fireplaces.

: Pure Arabica coffee cubes offered in various flavors, often found through international retailers like Amazon India. 2. Ground Coffee "Bricks" (Vacuum-Sealed)

Depending on whether you want something to , eat , or use for fuel , "coffee blocks" refer to several different products. Here is where you can find each type: 1. Instant Coffee Cubes (For Brewing)

: Retailers like Kirkland (Costco) and various supermarket brands also sell their ground coffee in this compressed brick format. 3. Butter Coffee Blocks (Frozen/Refrigerated)

: Organic Colombian coffee cubes made with panela (unrefined cane sugar), found on Amazon.