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Kevin Liu

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  1. What happens if you mix the smoothed-over cocktail with small quantities of the original, fresh ingredients?
  2. keep in mind that starting dilution of the drink matters a little bit as well. Here's how it would look in theory: And here are the experimental results: Also, my rules of thumb for shaking vs stirring: (high-res files are at http://craftcocktailsathome.com/charts-and-graphics/) The thing to remember about stirring is that to reach the minimum theoretical equilibrium temperature, you would need to stir for 2 minutes or more (as Dave Arnold has shown). Unless you're stirring in a perfectly insulated container, the drink will warm up a few degrees in that time. Another idea: to get stirre
  3. Kevin Liu


    How did you get homemade orgeat to last 1 1/2 years? i made 750ml of it and didn't use much of it... I should have seen that answer coming. Nice! But what I meant was, even if I do a 2:1 sugar : base orgeat (which I don't, but I tried it just to see how much it helped shelf life) and keep it in a very cold fridge, I've never got anywhere close to that shelf life. Now you have me thinking maybe I'm being over-cautious and tossing it too soon. I have a batch in the fridge that's been in there for 3 months or so that I was planning to dump. I just went and checked it and there's no funky smell
  4. Regarding the shelf life of citrus juices, here's an insightful article by Harold McGee, in which he writes: Just wanted to share that article because he puts the blabber I wrote above into more eloquent words.
  5. @Rafa, great comments, thanks a ton. I'm working on getting all the charts and graphics on to the blog now. If you have any specific questions about recipes or techniques please feel free to post here or drop me an email at kevin@craftcocktailsathome.com
  6. Chris, good catch. I struggled a lot with whether to include this chart: Most online references will say that lime and lemon juices should not be stored in the fridge for more than a week or so, but I wasn't able to find any scientific literature to back that up. The info on lime juice comes from a review of literature found in Hui (ed.), Handbook of Fruits and Fruit Processing, Page 345. It summarizes a 1961 paper by Ikeda et al. this way: "Pasteurized juice can be stored at 2◦C for 15 months without appreciable change in flavor. In untreated samples, changes occur and storage life is limi
  7. What amazing company to keep on this humble food forum! All four of the previous four posters are featured in the book in various ways. You guys are an inspiration! Hope you like the book and please let me know if there is anything I can clarify/correct/add to.
  8. What is the benefit of letting the pineapple sit in the tequila rather than, saying pulverizing the pineapple with the tequila in a blender? I imagine the biggest issue will be filtering/clarification, but if you have a technique for that, is the long rest time really necessary?
  9. Did some mixing and testing over the weekend. Used 20 g cut cinchona bark: 1 cup of water (about 220g). Heated to boiling, then steeped for 30 minutes. Cooled (had reduced to 1/2 cup), then strained through a DIY 1-micron polyester filter rigged to an aeropress. The result was gorgeous, a transparent light-brown with no sediment. Added a half cup of water to get it back to original dilution, as well as 220g of sugar to create a syrup. I found that this syrup tastes great with gin, but it's still a little bit too sweet and not bitter enough. I think I will up the cinchona even more. Also,
  10. new update: Adam at the Boston Shaker carries single-stock glassware for reasonable prices!
  11. replacements.com has a pretty good selection of 4-ish ounce champagne coupe glasses for around $4/glass, plus shipping. Search for "tall sherbet". The style of glass I'm talking about is reflected in the below image. Also, if you search Amazon for "Schott Zwiesel", you can find a good selection of smaller highball, collins, and single old-fashioned glasses, though they're not under that name. The single old-fashioned's are called "pre-dinner" glasses and the small highballs are called juice glasses.
  12. You could try a buchner funnel. *thread hijack* Along these lines, what are some other clarification techniques out there for controlling particulate matter? I know of Dave Arnold's agar method, but what has your experience been with other techniques? charcoal? superbags?
  13. So I just finished reading all 31 pages of this thread. A few notes: - There was a discussion upthread about the impact of a bitters' ABV on flavor. Water is a highly polar solvent; alcohol is mostly polar, but with a non-polar tail, which means it is better at dissolving things like essential oils, which are non-polar. There are also many other compounds found in plant material, such as oleoresins, phenols, esters, and complex carbohydrates (such as pectin). The ratio of water to ethanol used to extract flavors will impact the rate at which various compounds are extracted. Therefore, using
  14. Alex, I'm not sure I understand the question: I think you're asking how much alcohol being trapped by the pectin mass when you strain the pectin out? I would guess the pectin would trap water and alcohol in roughly equal amounts, so your ABV should be roughly the same as it started out. Kevin
  15. You might be best off going with a simple "sangria" style beverage, perhaps with little or no fortifying spirits added? To amp up the flavor, consider steeping some herbal tea in the wine?
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