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Pearl Couscous (Israeli Couscous)

We tasted five supermarket products, plain and in our Cook's Illustrated recipe for Israeli Couscous with Lemon, Mint, Peas, Feta, and Pickled Shallots.

Published July 1, 2015. Appears in America's Test Kitchen TV Season 16: Spanish Chicken and Israeli Couscous

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What You Need To Know

Pearl couscous, sometimes labeled Israeli couscous, a round semolina pasta about the size of tapioca, provides wheaty flavor and pleasantly chewy starch to soups, salads, and pilafs. Distinct from the tiny, grain-like North African couscous, pearl couscous, which originated in 1950s Israel as a substitute for rice, is larger and springier, with round, pale grains that resemble the pearls to which its name refers. We tasted five supermarket products, plain and in our recipe for Pearl Couscous with Lemon, Mint, Peas, Feta, and Pickled Shallots.

Cooked according to package directions, most passed muster with our tasters, but one product was a mushy mess. Its directions demanded almost twice the usual quantity of water and had us boiling it far longer than the others. To level the playing field, we tasted all the products again, this time using our preferred pilaf cooking method (toasting the grains in olive oil and then adding water and simmering until the couscous absorbs the liquid). This time all the products got passing grades, but one stood out as a bit better than the rest: Tasters found it especially firm and springy, chewy, and nutty.

What made the difference? We found our answers by examining the nutrition labels. Our recommended products contain about 15 percent protein relative to total carbohydrates, while the lowest-ranking product has about 13 percent. It turns out that this minor-sounding difference is significant in determining whether the couscous cooks up firm and chewy or turns into a mushy mess. Protein holds the carbohydrates together like an adhesive, so characteristics such as chewiness, texture, and resistance to breakdown when liquids are added (and during cooking) are all strongly influenced by the protein-carbohydrate ratio. Products with more protein also develop more flavor (when protein is heated, hundreds of new flavor compounds are created via a process called the Maillard reaction). We also noticed that the winner contains a trace of sugar, more than its rivals, which may have contributed to better flavor. (Our winner adds rosemary extract as a preservative, but so did our two lowest-ranked brands; the rosemary adds little to no flavor.)

In terms of shape, our tasters preferred larger pearls, even if they were only incrementally bigger than others. Packaging may have also influenced our preferences. The airtightness of the packaging tracks with our rating of the contents: Our top two products are sold in jars, and the third- and fourth-place products are sold in plastic bags (with the fourth-place bag inside a cardboard box), while our lowest-ranked couscous is sold with the least airtight...

Everything We Tested

*All products reviewed by America’s Test Kitchen are independently chosen, researched, and reviewed by our editors. We buy products for testing at retail locations and do not accept unsolicited samples for testing. We list suggested sources for recommended products as a convenience to our readers but do not endorse specific retailers. When you choose to purchase our editorial recommendations from the links we provide, we may earn an affiliate commission. Prices are subject to change.

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