Sweet and Tangy Apple Cabbage Salad

• ¼ c red wine vinegar
• 2 tbsp whole grain mustard
• 2 tbsp honey
• ½ head of purple cabbage, thinly sliced or shredded
• 1 large green apple, thinly sliced
• 3 small green onions, chopped
• walnuts, chopped, for garnish

Combine red wine vinegar, whole grain mustard and honey in a bowl; whisk until blended. Fold in cabbage and apple until well coated, garnish with green onions and walnuts. Cover and refrigerate.