3 potato italian sausage and arugula salad Recipes

skinned potatoes (1 1/2 in. wide), scrubbed, extra-virgin olive oil, red wine vinegar, dry white wine or 1 more tbsp red wine vinegar, minced shallots, salt, white pepper, mild italian sausages, fat-skimmed chicken broth (optional), dijon mustard, chopped parsley, sliced fresh chives or green onions, minced fresh tarragon or oregano leaves, arugula leaves (2 qt.), rinsed and crisped

sliced red onion, boiling potatoes, sweet or hot italian sausage links, extra-virgin olive oil, red-wine vinegar, salt, drained bottled roasted red peppers , cut into 1/4-inch strips, arugula , coarse stems discarded (4 cups)