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Keto Side Dishes

Asparagus and Water Chestnuts

When time is short but I still want a vibrant keto side, this asparagus and water chestnut skillet never disappoints. The subtle sweetness of onion melds with earthy asparagus, while water chestnuts deliver a satisfying crunch. A final drizzle of balsamic vinegar ties it together, making it a perfect companion to grilled meats or fish.

5 min Prep time 10 min Cook time 15 min Total time 4 Servings 80 Calories
Asparagus and Water Chestnuts

Ingredients

  • teaspoons olive oil
  • teaspoon butter (optional)
  • /4 cup diced red onion
  • (5 ounce) can sliced water chestnuts, drained
  • (10 ounce) package frozen cut asparagus
  • teaspoons balsamic vinegar

Instructions

  1. Step 1

    Set a skillet over medium-high heat and add the olive oil and optional butter. Let the butter melt and the oil shimmer before adding the diced red onion. Stir the onion for 2-3 minutes, releasing its flavor into the fats. Then, add the drained water chestnuts, frozen asparagus, and balsamic vinegar directly into the pan. Stir everything together so the vinegar coats the vegetables. Cook for about 10 minutes, tossing occasionally with a wooden spoon. I like to keep an eye on the asparagus—I'm aiming for it to cook through but retain a pleasant crunch. If needed, add a tablespoon of water to create steam and prevent sticking. Once the asparagus is bright green and tender-crisp, remove from heat. Season with salt and pepper, then transfer to a serving dish. This method ensures the water chestnuts stay crisp, providing a lovely contrast. It's one of those sides that comes together almost effortlessly but looks special.

Chef's Tip

I often add a minced garlic clove with the onion for an extra layer of flavor. If you can find fresh asparagus, cut it into bite-sized pieces and add it the same way—no need to thaw first.

Storage Tips

Store leftovers in a sealed container in the refrigerator for up to three days. To reheat, warm them in a skillet over medium heat with a small drizzle of olive oil to help crisp them back up. Avoid the microwave if you want to maintain that water chestnut crunch.

Variation Tips

Replace water chestnuts with sliced radishes or diced jicama for a lower-carb crunch. Turn it into a warm salad by adding crumbled feta and toasted pine nuts. Or stir in cooked, crumbled bacon for a smoky note.

Frequently Asked Questions