Make a simple decaffeinated cold brew with adult help by mixing decaf coffee and water, straining, and serving over ice safely.


Step-by-step guide to make a simple decaffeinated cold brew
Step 1
Wash your hands and clear a clean space to work.
Step 2
Gather all the Materials Needed and place them on the table.
Step 3
Measure 1/2 cup decaffeinated coarsely ground coffee into the jar using the measuring cup.
Step 4
Measure 2 cups cold water and pour the water over the coffee grounds in the jar.
Step 5
Stir the mixture with the spoon for 20 seconds so all the grounds get wet.
Step 6
Put the lid on the jar and place it in the refrigerator to steep for 12 to 18 hours.
Step 7
Ask an adult to take the jar from the refrigerator when the steeping time is done.
Step 8
Set the fine mesh sieve or cheesecloth over the clean pitcher or bowl.
Step 9
With the adult's help hold the jar and slowly pour the steeped coffee through the sieve to strain out the grounds.
Step 10
Use the spoon to press gently on the grounds in the sieve to extract more liquid.
Step 11
Fill a cup with ice cubes.
Step 12
Pour the strained cold brew over the ice into your cup.
Step 13
Taste your cold brew and then ask an adult to add a little water or milk if you want it milder.
Step 14
Share a photo and description of your finished decaf cold brew on DIY.org.
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!

Help!?
What can I use if I can't find decaffeinated coarsely ground coffee or a coffee grinder?
If decaffeinated coarsely ground coffee isn't available, grind decaffeinated whole beans to a coarse size in a coffee grinder or use regular coarsely ground coffee with an adult's OK, then proceed to measure 1/2 cup into the jar in step 3.
My cold brew tastes gritty or grounds get into the cup — how can I fix that?
If grounds pass through the sieve or your cold brew tastes gritty, line the fine mesh sieve with an extra layer of cheesecloth and press gently with the spoon while pouring from the jar as described in steps 8–10 to better filter the liquid.
How do I adapt this activity for younger children or for older kids who want more challenge?
For younger children, let them do simple tasks like stirring for 20 seconds (step 5) and adding ice (step 11) while an adult measures and pours, and for older kids let them measure the 1/2 cup and 2 cups (steps 3–4), time the 12–18 hour steep (step 6), and experiment with longer or shorter steeping to change strength.
How can we personalize or improve the flavor of the decaf cold brew?
To personalize the cold brew, add a cinnamon stick or a split vanilla bean to the jar during the 12–18 hour steep (step 6) or stir in flavored syrup, milk, or a splash of water when tasting and adjusting the drink in step 14 before sharing your photo on DIY.org (step 15).
Watch videos on how to make a simple decaffeinated cold brew
Facts about kitchen safety and beverage preparation
☕️ Decaffeinated coffee still has a tiny bit of caffeine — usually about 2–5 mg per cup (compared with ~95 mg in a regular cup).
❄️ Cold brew is made by steeping coffee in cold water for 12–24 hours, which creates a smoother, lower-acid drink.
⏳ A common cold-brew recipe is roughly 1:8 coffee to water for ready-to-drink and about 1:4 for a concentrate you dilute later.
🧪 The Swiss Water Process is a popular chemical-free method for removing caffeine that preserves much of the bean's flavor.
🌱 Using coarse grounds and straining with a fine sieve or cheesecloth helps keep cold brew clear and grit-free for serving over ice.


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