Masaru Nishioka from Japan has created some very interesting items on his YouTube channel, but the one that will be the most interesting to us is how he came up with a way to convert aluminum foil into a coffee dripper. Yes, he figured out how to brew coffee with a single sheet of foil. And he is going to show us how we can as well.
Checklist
Before we get started, confirm you have everything.
- Kettle to heat water
- Ground coffee
- A mug or glass to collect the coffee
- A sheet of aluminum foil
That is it. Let us make some coffee.
#1 Tear-Off a Sheet of Aluminum Foil
In the photo below you will see the approximate size of foil to start with.
#2 Fold the Foil
Fold the foil (10in x 20ft /11um) five times (10in → approx. 0.45in) and then press it to make a smooth surface.
#3 Roll the Foil into a Tight Circle
Roll the foil into a circle. The DIY brewer will be about 3 inches in diameter when finished. Use a Food Grade Safe super-glue to attach the end.
#4 Form the Dripper Cone
Press into the rolled foil slowly and gently to create the cone shape. If you press too hard or too far, it will fall apart.
#5 Make Coffee
Now that the DIY Dripper is finished, we can make some coffee. As you can see from the photo and the video below, the dripper will fit over the glass or mug.
Here you will use the standard brewing instructions common with other pour-over coffee methods such as the stainless steel pour-over drippers. No paper filters are needed. Start with a medium grind coffee. If the coffee brews too fast and tastes weak, tighten up the grind. If the coffee brews too slow and becomes over-extracted, use a more coarse grind.
After brewing, you can knock your used coffee grounds into a compost bin. The DIY Dripper can be rinsed and used again. The dripper should be dried out between uses.
If you decide to make coffee with your own brewer in this method, you do so at your own risk. Don’t burn yourself on hot water. You might want to test your brewing out first with cold water to confirm it was folded and rolled correctly.
Video Tutorial
DIY Coffee Dripper (2 minutes)
Last Words
Sometimes when we travel or go camping we need to conserve as much space as possible for our coffee gear. A single sheet of aluminum foil basically takes up no space. Thank you, Masaru for sharing your coffee brewer with INeedCoffee.
Masaru is also making an aluminum sake cup with URUSHI (Japanese lacquer), aluminum foil and an aluminum closure for sake by using the same technique (watch this video). This technique is called “Kentai” in Japan.
Resources
Aluminum Foil – Wikipedia page, which covers the thickness measurements of different types of foil.
Hairbrush – The YouTube channel for Masaru Nishioka, which includes many innovative projects.
Making a Glass from Rice Straw and Rice – A 3 minute YouTube video by Masaru.
Coffee Brewing Guide – A collection of coffee brewing tutorials on INeedCoffee.
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