Winter Salad

Ingredients

• 1 Tbsp. raspberry or red wine vinegar
• 1 Tbsp. fresh orange juice
• 1 Tbsp. balsamic vinegar
• 2 tsp. extra-virgin olive oil
• 1/2 tsp. sugar
• 1/4 black pepper
• 1/2 low-sodium soy sauce
• 1/4 Dijon mustard
• 1/2 tsp. salt
• 8 c. mixed salad greens
• 1 c. grapefruit sections (about one large grapefruit)
• 1 c. thinly sliced red onion
• 1/4 c. coarsely chopped walnuts