Swiss chard is one of the few vegetables that looks as good as it tastes. Its leaves are broad and glossy, but the real showstopper is the stalk running up the middle, ranging from snowy white to deep ruby, hot pink, gold, and orange. The colorful variety sold as Bright Lights or rainbow chard practically glows in a produce bin. And yet, in kitchens across America, those beautiful stems get sliced off and thrown straight into the trash. That’s a shame, because the stems are perfectly edible, genuinely tasty, and packed with many of the same nutrients as the leaves.

The reason people toss them is simple. Stems are firmer and take longer to cook than the tender leaves, so if you throw everything in the pan at once, you end up with mushy greens and crunchy stalks. That’s a timing problem, not a flavor problem. Once you treat the stems as their own ingredient, everything changes.

Nutritionally, chard stems hold their own. They deliver vitamin K, vitamin C, and beta carotene, along with potassium, magnesium, and fiber. The pigments that make red and yellow stems so vivid are betalains, antioxidant compounds that help your body manage inflammation. Stems are also mostly water, which means they add volume and crunch to a meal for very few calories. If your goal is eating more vegetables without feeling stuffed, that’s a win.

The health perks stack up with the rest of your plate. Vitamin K supports bone strength and normal blood clotting. Potassium helps counterbalance sodium and supports healthy blood pressure. Fiber feeds the good bacteria in your gut and slows the absorption of sugar, which is helpful for steady energy and blood sugar control. Antioxidants like beta carotene support eye health, and the mix of vitamins and minerals in chard makes it a smart everyday choice for anyone trying to eat better.

Prepping chard is easy. Lay each leaf flat and cut the stem away from the leaf in one long stroke, or fold the leaf in half and pull the stem free. Keep the two piles separate and rinse both well, since grit loves to hide where the stem meets the leaf. Trim the very bottom of the stem, which can be woody. On large, mature stalks, you may notice stringy fibers; peeling the outside with a vegetable peeler or slicing the stem very thin solves that quickly.

Now for the fun part. Slice stems crosswise into thin half-moons and sauté them first in olive oil with garlic and a pinch of salt. Give them five to seven minutes to soften, then add the leaves for the last two or three. The stems turn tender and slightly sweet, almost like celery or asparagus. You can also roast them on a sheet pan at 425 degrees with oil, salt, and pepper for about fifteen to twenty minutes, until the edges caramelize. They make a great side dish on their own. Quick-pickle thin slices in vinegar, water, sugar, and salt, and you have a bright topping for sandwiches, tacos, and grain bowls. Raw, shaved paper-thin, they add color and crunch to slaw. In soups and stir-fries, add them early so they get the extra cooking time they need.

The leaves need almost no time at all. A quick wilt in a hot pan with olive oil, garlic, salt, and a squeeze of lemon is all it takes. Overcooking turns them dark and limp, so pull them off the heat while they still look lively.

One note worth knowing: chard is high in oxalates, natural compounds that can contribute to kidney stones in people who are prone to them. Cooking helps, and boiling the stems and leaves and then discarding the water reduces oxalate content further. If you have a history of kidney stones, it’s worth a conversation with your doctor rather than skipping chard altogether.

When shopping, look for firm, glossy stems and crisp, unblemished leaves. Wilted, slimy, or yellowing spots mean it’s past its prime. Store chard in a plastic bag with a slightly damp paper towel in the crisper drawer, and plan to use it within three to five days. Stems generally hold up a day or two longer than leaves, so if the leaves go first, you can still put the stems to work.

Cooking the whole vegetable, stems and all, is the kind of small habit that adds up. You waste less, you eat more fiber and antioxidants, and your plate looks a lot brighter. Next time you bring home a bunch of rainbow chard, don’t relegate half of it to the bin. Those colorful stalks earned their spot in the pan.