Mini Hot Roast Beef Sandwiches

• 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

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.

mustard, white wine vinegar, olive oil, fresh parsley, red onions, buns, deli, avocado, cheese

Taken from www.food.com/recipe/mini-hot-roast-beef-sandwiches-489369 (may not work)