Sous Vide Lemon Curd Recipe | Savoring The Good® (2024)

FAQs

What should not be sous vide? ›

Produce that no longer looks completely fresh or already smells strange is, of course, no longer suitable for the sous vide procedure. This particularly applies to fish and meat that is cooked at relatively low temperatures.

Your lemon curd could get chunky and grainy if you let it overcook. One thing you should remember while making lemon curd is that you should never let it reach a point where it starts boiling. The ideal temperature for lemon curd is 170 degrees Fahrenheit, and it shouldn't cross that.

If your lemon curd hasn't thickened, it may not have been heated enough. It can take up to 30 minutes of constant stirring to cook lemon curd, especially if it's a large batch. Remember that curd will thicken more once cooled. If your cooled curd is not thick enough, you can reheat it to thicken.

Just be sure to put it in a tightly sealed glass or plastic container so it doesn't pick up any aromas from other things in your fridge. Fresh lemon curd will keep for one to two weeks when stored in the refrigerator in a sealed container.

Because of the relatively low temperatures used in sous vide, one major consideration is the Danger Zone. The 'Danger Zone' is a range of temperatures where bacteria particularly thrive and multiply. It's generally defined as 40F to 140 F, or 4.4C to 60C .

A metallic aftertaste is usually the consequence of the lemon curd coming into contact with a metal (especially while it's hot). This could be a metal whisk, a metal bowl, a metal (or metal-coated) saucepan, or a metal sieve.

Lemon Curd should thick enough to coat the back of a spoon when it's hot and should thicken up to pudding-like consistency when it's chilled. The curd can take up to 10 minutes to thicken to the consistency of pourable pudding, so be patient (remember it will thicken more once it cools).

If your lemon curd turned green, it likely had a reaction to something metal. Avoid using a copper or aluminum pan as those will react with the lemon juice and cause the discoloration in the lemon curd, and could even cause a slightly metallic aftertaste.

Shelf Life: Prepared lemon curd can be frozen for up to 1 year without quality changes when thawed. To thaw, place container in a refrigerator at 40°F or lower for 24 hours before intended use.

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What are the bacteria of concern for sous vide? ›

Oxidative rancidity and aerobic spoilage are reduced in sous-vide, and there is a reduced risk from aerobic pathogens, such as L. monocytogenes and Salmonella typhimurium, which can extend storage life; however, C. botulinum is a potential hazard.

The EEP recommends the use of appropriate plastic bags for sous vide that follow current FDA guidelines and are free of BPA and phthalates. Bags and pouches used in sous vide should be made of food- grade plastics such as high density polyethylene, low density polyethylene, and polypropylene.

These risks include the potential for survival and growth of bacteria that can grow under the anaerobic (absence of oxygen) conditions created by the vacuum packaging, e.g. Clostridium botulinum. Remember, some foods may not be suitable for sous vide cooking.

You can refrigerate cooked, properly cooled foods in their unopened sous vide bags up to 10 days. If you've opened the bags, your leftovers will have the same shelf life as conventionally cooked leftovers.