Onion Recipes

Roast Beef Sandwiches with Red Onions and Mayo

Serves: 6

Ingredients

• 3 red onions, each cut into 8 wedges, peeled
  
• 7 tablespoons olive oil
  
• 1/4 cup balsamic vinegar
  
• 1 cup mayonnaise
  
• 1/4 cup chopped basil
  
• 1 1/2 tablespoons lemon juice
  
• 2 1/4 teaspoons grated lemon peel
  
• 6 4x3 inch pieces ciabatta, halved horizontally
  
• 16oz thinly sliced roast beef
  
• 2 cups arugula
  

Method

1. Preheat oven to 250'C.
2. Line large rimmed baking sheet with foil.
3. Gently toss red onions, 5 tablespoons oil and vinegar in large bowl.
4. Sprinkly with salt and pepper.
5. Arrange onion in single layer on prepared sheet, bake until brown at edges.
6. Mix mayonnaise, basil, lemon juice, lemon peel and 2 tablespoons oil in small bowl.
7. Cover seperately and chill.
8. Spread mayonnaise over cut sides of bread.
9. Top with roast beef, onions, and arugula.