Heat a large skillet over high heat. Add extra-virgin olive oil and onion. Sear onion and mustard seeds, 2 minutes. Add greens and toss with tongs in oil. Sear greens 2 to 3 minutes. Add vinegar to the pan. Remove pan from heat and season greens with salt and pepper.
Check Out Our
Get a sneak-peek of the new Food Network recipe page and give us your feedback.See it Now!