If you have ever bitten into a fresh leaf that made your eyes water and your taste buds tingle, you have already met the spicy mustard family. These peppery greens, often overlooked in the produce aisle, are a fantastic way to add a kick to your meals while packing in serious nutrition. Whether you are a longtime fan of collards and kale or a newbie looking to shake up your salad routine, mustard greens deserve a spot in your kitchen.

Let’s start with why these leafy wonders are so good for you. Mustard greens are loaded with vitamins A, C, and K. One cup of cooked mustard greens provides more than your entire daily requirement of vitamin K, which is essential for bone health and proper blood clotting. They are also an excellent source of vitamin C, which supports your immune system and helps your body absorb iron from plant-based foods. And vitamin A? That’s your eyesight and skin health covered. On top of that, these greens deliver a healthy dose of folate, calcium, and manganese, all while being very low in calories. If you are watching your weight or trying to eat more nutrient-dense foods, mustard greens are a powerhouse.

But the benefits don’t stop at vitamins. Mustard greens are rich in antioxidants like quercetin and kaempferol, which help fight inflammation and oxidative stress in the body. Studies have linked diets high in cruciferous vegetables (the family that includes mustard greens, broccoli, and cabbage) with a lower risk of chronic diseases, including heart disease and certain cancers. The compounds in these greens support your body’s natural detoxification processes, particularly in the liver. That is a lot of protection from a simple leafy green.

Now, you might be thinking: “Okay, they’re healthy, but how do I eat them without feeling like I’m chewing on spicy cardboard?” The trick is to embrace their bold flavor rather than fight it. Mustard greens have a natural heat that ranges from mild to fiery, depending on the variety and the growing conditions. The younger, smaller leaves tend to be milder, while older, larger leaves pack more of a punch. If you are new to them, start with baby mustard greens in a salad, mixed with milder greens like spinach or butter lettuce. Add a tangy vinaigrette with lemon juice or apple cider vinegar to balance the heat.

For cooked dishes, mustard greens shine when sautéed or braised. A classic Southern preparation involves simmering them with smoked turkey, ham hock, or bacon until tender. The smoky, salty meat tames the peppery edge and creates a rich, savory broth. If you prefer a plant-based version, try sautéing them with garlic and olive oil, then finish with a splash of soy sauce or coconut aminos and a squeeze of lemon. Mustard greens also work beautifully in stir-fries, soups, and lentil stews. Their sturdy texture holds up well to heat, so they won’t turn into mush.

A less obvious but delicious use is to wilt them into eggs. Scramble a handful of chopped mustard greens with your eggs and cheese for a breakfast that wakes you up. Or add them to a quiche or frittata. Their slight bitterness pairs well with rich ingredients like Gruyère, cream, or caramelized onions. And if you love pesto, swap out the basil for mustard greens. Blend them with walnuts, Parmesan, garlic, olive oil, and a little lemon juice for a zesty, peppery pesto that’s fantastic on pasta, sandwiches, or roasted vegetables.

Storage is simple. Keep fresh mustard greens in the refrigerator in a plastic bag with a damp paper towel. They will stay crisp for about three to five days. Wash them thoroughly just before using, as grit can hide in the folds. If you have a surplus, you can blanch and freeze them for later use in soups and stews.

For those concerned about oxalates, which are naturally present in many leafy greens, cooking mustard greens reduces their oxalate content significantly. If you have a history of kidney stones, it’s wise to alternate these greens with lower-oxalate options like kale or romaine, but for most people, enjoying them cooked a few times a week is perfectly fine.

The spicy mustard family also includes close relatives like arugula, watercress, and turnip greens, all of which share similar peppery notes and health benefits. Arugula is milder and perfect for raw salads, while watercress adds a delicate spice to sandwiches and smoothies. Turnip greens are slightly more bitter but equally nutritious. Rotating through these greens keeps your meals interesting and gives you a broader range of nutrients.

So next time you are at the market, grab a bunch of mustard greens. They are inexpensive, easy to cook, and offer a world of flavor and health. Your body will thank you for the vitamins, your meals will get a flavor upgrade, and you’ll be joining a long tradition of people who know that a little spice is good for the soul.