Recipes Warm Mixed Greens Be the first to rate & review! Gerald Hirigoyen's greens may include kale, escarole, collards, Swiss chard, mustard and beet greens; kale and collards will take slightly longer to cook.Plus: More Vegetable Recipes and Tips By Jan Newberry Updated on March 27, 2015 Print Rate It Share Share Tweet Pin Email Yield: 4 Ingredients 3 tablespoons unsalted butter 2 tablespoons extra-virgin olive oil 2 pounds mixed braising greens, trimmed and coarsely chopped 2 tablespoons water Kosher salt and freshly ground pepper Directions In a large heavy saucepan, melt the butter in the olive oil. Add the greens and water and season with salt and pepper. Cover and cook over high heat until wilted and tender, 2 to 3 minutes. Drain the greens and keep warm until serving. Rate it Print