Patty Melt

Ingredients

• 4 tablespoons butter at room temperature
• 1 tablespoon parsley leaves fresh chopped
• 12 ounces ground beef (preferably chuck)
• 2 servings kosher salt and pepper black freshly ground
• 2 servings mustard for serving
• 2 tablespoons olive oil divided
• 2 servings toppings: such as pickles for serving
• 1 pinch pepper flakes red
• 4 slices cocktail rye bread 
• 4 slices swiss cheese 
• 1 medium onion yellow thinly sliced into half moons

Equipment

• bowl
• frying pan
• grill
• grill pan

Directions

1. Generously season the beef with salt and pepper and form into 2 (1/2-inch thick) oval patties.
2. Set aside, or place in the refrigerator while you cook the onions.
3. Add 1 tablespoon olive oil into a large nonstick skillet over medium-high heat. Once oil is hot, add onion and saute until browned, about 8 minutes.
4. Season the onions with red pepper flakes, salt, pepper, and chopped parsley.
5. Remove onions from the skillet to a bowl and reserve.
6. Add the remaining tablespoon oil to the hot skillet. Once hot, add the burgers and cook for 3 to 4 minutes until very browned on one side. Flip and continue cooking the other side for another 3 minutes.
7. Remove from pan.
8. Preheat a grill pan to medium-high heat.
9. Top 2 pieces rye bread each with a slice of cheese, onions, the burger patty, a second slice of cheese, and a final piece of bread.
10. Butter both the top and bottom of the sandwich.
11. Grill each sandwich until golden and the cheese melts, about 3 to4 minutes on each side.
12. Serve hot with mustard and a side of pickles.