Grilled Veggie Salad with Dijon Vinaigrette

Ingredients

• 1 lb. asparagus, trimmed
• 1 bunch scallions
• 2 bell peppers, thinly sliced
• 2 small summer squash, thickly sliced
• 1 pint cherry tomatoes, halved
• 1½ Tbsp. olive oil
• ¼ tsp. pepper
• ¼ tsp. salt
• 2 Tbsp. red wine vinegar
• 1 tsp. Dijon mustard
• 2 tsp. fresh tarragon
• 2 tsp. fresh oregano
• 2 Tbsp. chopped parsley
• 2 Tbsp. chopped chives