Wilted Mustard Greens with Sweet Onion

• 1 tablespoon olive oil
• 1 sweet onion, such as Vidalia, halved lengthwise and thinly sliced
• 1 1/2 pounds mustard greens (2 bunches), stems removed, leaves sliced crosswise into 1-inch-thick pieces
• Coarse salt and freshly ground pepper
• 2 teaspoons apple-cider vinegar

1. In a large skillet, heat oil over medium-high.
2. Add onion; cook, stirring frequently, until onion is tender and golden, 6 to 8 minutes.
3. Add as many greens to skillet as will fit; season with salt and pepper.
4. Cook until wilted, tossing and adding more greens as they wilt, 2 to 3 minutes total.
5. Stir in vinegar; season with salt and pepper, and serve.

olive oil, sweet onion, bunches, salt, applecider vinegar

Taken from www.epicurious.com/recipes/food/views/wilted-mustard-greens-with-sweet-onion-388033 (may not work)