It looks like the image is showing a homemade coffee extract / coffee syrup recipe made by soaking ground coffee in alcohol or hot liquid.
A simple version is:
Ingredients
- 1 cup roasted coffee beans (or coarse ground coffee)
- 2 cups hot water or vodka/alcohol (depending on the version)
- Optional: sugar or honey
Method
- Grind the coffee beans coarsely.
- Put the grounds in a glass jar.
- Pour hot water or alcohol over the coffee until fully covered.
- Close the jar and let it sit:
- 12–24 hours for water extract
- 1–2 weeks for alcohol extract
- Strain through a fine cloth or coffee filter.
- Store the dark liquid in a bottle.
Uses
- Add to iced coffee
- Desserts
- Baking
- Homemade coffee flavoring
