Walnut, Apple, Bleu cheese salad with roasted cippolini onion vinaigrette

Ingredients

• 6 ounces spring greens mix
  
• 1 fuji apple, cored and sliced in matchsticks
  
• 3 ounces maytag bleu cheese, crumbled into big chunks
  
• 1/2-1 cups walnuts, halved
  
• 1 cippolini onion, sliced thinly
  
• 2 teaspoons dijon mustard
  
• 4 tablespoons red wine vinegar
  
• 4-5 tablespoons olive oil
  
• ¹/₂ teaspoon pepper