I am going to get in depth on how one should go about experimenting with Vietnamese coffee. You will definatly need your favorite grind in a fine grind, and the classical vietnamese coffee dripper. picture
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First seperate the tin into its two or three peices.
You should have a container with holes in the bottom and a probably threaded lead to be explained in a second. This is where you will put your grinds and place ontop of your cup.
Next is what I want to call the tamper, it works in the way that you use it to compress the grinds but not exactly like what you would think as a barista.
Third, and optionally there may be the top to the tin. I lost mine years ago and have yet to replace it. It probly keeps your water hotter longer and is good for storage, but I've lost it year ago and still make good cups of coffee.
Here are some tricks when preparing your coffee.
Use your favorite dark roasted beans, and grind them into a very fine grind. Start with two teaspoons of your grinded dark roast, put them in the container, now take the 'tamper' and screw it into the container. The trick here is compacting the grinds just right. They should allow a slow drip but not too slow, on average I timed my coffee at my favorite vietnamese restaurant to take around the 8 minute mark to finish dripping. A trick if you are new and can't get it right is, turn it tightly over your grinds and then give it a quarter turn or less back to loosen it.
Place how much condensed milk you would like into your cup, then place the tin ontop of your cup. Pour boiling water (please be careful) into the tin. Viola! in a short period of time your cafe sua da should be ready without the embarrassing pronouciation. Stir until milky brown and little or no reminiscence of the condensed millk is on your spoon.
Enjoy, you just spent alot of delicate time and preparation for a drink that is incomparable.