Mini Hot Roast Beef Sandwiches

In '400 Best Sandwich Recipes' by Alison Lewis

• Ready In: 22 mins
• Serves: 8

Ingredients

• 1⁄4 cup Dijon mustard
• 2  tablespoons white wine vinegar
• 2  tablespoons olive oil
• 2  tablespoons  finely chopped fresh parsley
• 2  tablespoons  diced red onions
• 8  mini  hamburger buns, split
• 12  ounces  thinly sliced deli roast beef
• 1  avocado, thinly sliced
• 4  slices monterey jack cheese

Directions

1. Preheat broiler.
2. In a small bowl, combine mustard, vinegar, olive oil, parsley, and red onion; set aside.
3. Place buns on a large baking sheet.
4. Brush bottom halves of buns with mustard mixture.
5. Arrange roast beef, avocado, and cheese over top of mustard (leave top halves of buns bare).
6. Leave buns open-faced and broil on high for 2 minutes or until sandwiches are warm and cheese is melted.
7. Cover with top halves and serve immediately.