The idea
Sunday, I pulled out all the vegetables I’d frozen over the last several months and made vegetable stock. I left a couple of bags of blanched green beans, a bag of chopped celery, and a bag of corn. Everything else got thrown in the pot.
The ingredients
The frozen assembly consisted of spinach, kale, beet greens and stems, green beans, celery scraps, Shiitake and oyster mushroom stems, Swiss chard stems, and fennel.
I also added some chopped onion and garlic cloves.

For stock, onions don’t need to be peeled or chopped. However, this onion had some powdery mold on its outermost layer, so I didn’t have a choice.
The process
First, I browned the vegetables in batches. The problem with frozen vegetables, however, is there’s a lot of moisture to get through before you get any browning action. Maybe I’ll defrost and drain them next time. And possibly roast them in the oven instead of on the stove.
Second, the more-or-less browned veggies got tossed in the stock pot, which was then filled three quarters full of water.

After bringing it to boil, I let the pot simmer for about an hour. Then I strained the stock and put it back in the pot to cook uncovered until it had boiled down to half as much. It’s easier to store concentrated stock.
To freeze the stock, I poured it into ice cube trays. (more…)
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