1 tbsp. minced fresh chives
2 cups cherry tomatoes, halved
4 cups fresh arugula or baby spinach
1/4 tsp. pepper
1/4 tsp. salt
1 tbsp. plus 1/3 cup red wine vinaigrette, divided
4 salmon fillets (6 ounces each)
1/2 pound fresh asparagus
1/2 pound fresh green beans
1 pound fingerling potatoes