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Cold Brew Coffee Concentrate

A smooth, low-acid cold brew coffee concentrate made with coarse coffee grounds and filtered water. Steep overnight for a rich, versatile base for iced or hot coffee beverages.
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Prep Time 10 minutes
Cook Time 12 hours 5 minutes
Total Time 12 hours 15 minutes
Servings: 12 servings
Course: Drinks and Beverages
Cuisine: American
Calories: 5
Ingredients Equipment Method Notes

Ingredients
  

Main
  • 1 pound approximately 450 grams coarsely ground coffee beans
  • 4 cups 32 ounces or 950 milliliters filtered water

Equipment

  • Large glass jar or container with lid (at least 32 ounces)
  • Fine-mesh strainer or sieve
  • Cheesecloth or fine mesh coffee filter (optional)
  • Measuring scale
  • Wooden spoon
  • Pitcher or bowl for collecting concentrate
  • Coffee grinder (if using whole beans)

Method
 

  1. Step 1: Weigh and grind the coffee beans on the coarsest setting your grinder allows.
  2. Step 2: Place the coarsely ground coffee in the glass jar and add 4 cups of filtered water.
  3. Step 3: Stir the mixture thoroughly with a wooden spoon until all grounds are fully submerged and wetted.
  4. Step 4: Cover the jar and refrigerate for at least 12 hours (up to 24 hours) to steep the concentrate.
  5. Step 5: Line a fine-mesh strainer with cheesecloth and set it over a pitcher or bowl.
  6. Step 6: Pour the steeped coffee through the strainer, allowing up to 5 minutes for the liquid to pass through.
  7. Step 7: Discard or compost the used coffee grounds.
  8. Step 8: Transfer the strained concentrate to a clean glass jar, seal tightly, and refrigerate for up to 3 weeks.

Notes

Dilute concentrate with water or milk to taste; discard used grounds or compost them.