5 and sandwiches with caramelized onions and arugula Recipes

center-cut bacon, sliced onion, water, mexican hot sauce (such as cholula) or tabasco, butter, sugar, whole-wheat bread, eggs, salt, freshly ground black pepper, arugula

mayonnaise, white horseradish, prepared, butter (1/2 stick, divided ), beef tenderloin steaks, thick, onions, thinly sliced, shiitake mushrooms, stemmed, caps thinly sliced (about 5 cups), beef broth, croissants , halved horizontally, lightly toasted, arugula

beef short ribs, butter, celery stalks, chopped, carrots, peeled, coarsely chopped, onion, chopped, dry red wine, low-salt beef broth, dry sherry, garlic cloves, peeled, bay leaves, fresh thyme sprig, butter, red onions, halved , thinly sliced crosswise (about 6 cups), red wine vinegar, sugar, butter, room temperature, country-style crusty white bread, petit basque or monterey jack cheese, sliced, baby arugula

mayonnaise, fresh lime juice, hot smoked spanish paprika, garlic clove, pressed, extra-virgin olive oil plus more for brushing on rolls, vegetable oil, onions , halved lengthwise, thinly sliced crosswise (about 7 cups), skinless boneless chicken breast halves, cut crosswise in half, sourdough sandwich rolls or twelve, thick slices sourdough bread, lightly packed) watercress or arugula, sometimes labeled pimentin picante or pimenton de la vera picante; available at specialty foods stores and from tienda.com.