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Costco Steaks: 4 Worth Buying and 6 You Should Skip

A stylized watercolor illustration of a sliced grilled flank steak served with grilled lime halves on a platter.
Sliced grilled flank steak served with charred limes and sea salt is a delicious Costco buy.

Tip #4: USDA Choice Flank Steak

When evaluating high-value options in any accurate Costco steak review, the USDA Choice Flank Steak consistently claims a top spot.

While USDA Choice grade beef accounts for roughly 50 percent of all graded American beef, flank steak packs an immense punch of rich, beefy flavor that rivals far pricier primal cuts.

Costco packages these broad, flat steaks in multi-packs that feature exceptionally clean trimming with virtually zero waste fat.

Because flank steak features long, wide muscle fibers, it absorbs acidic marinades magnificently and cooks rapidly over intensely high heat. Slicing it thinly against the grain produces exceptionally tender strips for fajitas, carne asada, or Asian stir-fry recipes.

It offers supreme protein efficiency for budget-conscious families who refuse to compromise on high flavor or quality.

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