Bobby Flay's Sauteed Kale 

Ingredients:
1 1/2 pounds young kale, stems and leaves coarsely chopped
3 tablespoons olive oil
2 cloves garlic, finely sliced
1/2 cup vegetable stock or water
Salt and pepper
2 tablespoons red wine vinegar

Directions:
1. Heat olive oil in a large saucepan over medium-high heat. Add the garlic and cook until soft, but not colored.
2. Raise heat to high, add the stock and kale and toss to combine. Cover and cook for 5 minutes. Remove cover and continue to cook, stirring until all the liquid has evaporated. 
3. Season with salt and pepper to taste and add vinegar.

*Source http://www.foodnetwork.com/recipes/bobby-flay/sauteed-kale-recipe/index.html