Preserving colour of mixed beans
I'd like to make a colourful dish from mixed dried beans. After soaking the beans overnight they still have rich and varied colours and patterns, but I'm told that beans should always be cooked before eating, and after simmering for 30min or so the beans all just turn brown. Is there any way to safely serve dried beans which keeps them visually interesting, such as for a legume salad?
The beans are probably a mix of borlotti beans, green split peas, black eyed beans, red kidney beans, various lentils, cannellini beans and chickpeas.
Best Answer
I've recently changed from tinned beans to dried in my mixed bean chilli, which I slow cook. White (cannellini or black eyed) beans stay fairly white if starting from tinned, but dried beans absorb some colour in soaking/cooking. This is reduced by soaking the kidney beans separately (it makes it easier to boil them hard to remove phytohemagglutinin) and would be further reduced by soaking and pre-cooking the white beans on their own (as demonstrated by the tinned.
To minimise the darkening you need to minimise the amount of coloured liquid they absorb. This means minimising the time they spend in contact with the sauce, and making sure they're fully hydrated when added. Cooking then completely separately and stirring them in just before serving is the obvious end point. I wouldn't consider that myself, preferring to optimise for flavour, energy consumption, and effort over a minor aspect of appearance, but I rarely serve it to others, and when I do they're too hungry to care! All of this means starting with separate beans. I find them much cheaper that way anyway.
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How do you keep black beans black when cooking?
Leave overnight. Drain and rinse the beans before cooking. The quick-soak method is terrific when you don't have time to let the beans soak overnight. Put the beans in a large pot and add enough cold water to cover by three inches.How do you store mixed beans?
Option 1: Air-Tight Containers Never store dry beans in the plastic bag that they came in; it's too easy for moisture and insects to get into those bags. Instead, transfer the beans to air-tight storage containers. Keep the container in a cool, dark place. They should last at least 3 years this way.How long does bean mix last?
Properly stored dried beans stay safe to eat indefinitely, but start to lose vitamin content after 2 to 3 years of storage. After 3 to 5 years, the taste starts to gradually alter for the worse, and your baked beans might not be as good as you're used to.What is the best way to preserve beans?
4 Tips for Storing Dried BeansPressure Canning Triple Bean Mix
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Answer 2
Just a thought, but I would suggest bypassing the dark black beans in the mix, (or soaking them separately), soaking them all overnight with just a dash of baking soda, rinse them thoroughly the following day, then steam in a pressure cooker. The colors leach into the cooking water, so steaming may preserve the color better. Without the pressure cooker though, it might take forever.
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