Sirloin Beef Burger

Sirloin Beef Burger

Ingredients

• For The Beef Patty
• 600g Sirloin (Ground, 90% lean)
• 1 tbs Worcestershire Sauce
• 1 whole Yellow Onion (Sliced)
• 2 tbs Butter
• 2 tbs Olive Oil
• For The Sauce
• 2tbs Olive Oil
• 200g Button Mushrooms (sliced)
• 1tsp Garlic
• Juice of 1 wedge of Lemon to taste
• For The Burger
• Burger Buns (Toasted or Grilled)
• Horseradish Mayonnaise
• Swiss Cheese
• Rocket Leaves

Methods

1. For The Beef Patty
2.  Saute Onion in a pan over medium to high heat with olive oil for about 20 minutes. Add butter after onions are translucent to aid in browning.
3.  Combine the sautéed onions with the ground beef and add Worcestershire sauce. Season heavily with sea salt and black pepper.
4.  Separate mixture into 4 equal patties.
5.  Lightly glaze patties with olive oil and grill on a very very hot grill. Flip over once after 3-4 minutes and cook on the other side for 2 minutes. Burger should be grilled until medium.
6. For The Sauce
7.  Heat olive oil in a pan over high heat and add mushrooms. Sauté until evenly browned. About 5-8 minutes.
8.  Once a beautiful brown colour is achieved, turn heat down to low and add garlic and butter. Let garlic sizzle for a minute and swirl around until butter has melted.
9.  Season with sea salt, black pepper and lemon to taste.
10. For The Burger
11.  To assemble: Pile sautéed mushrooms on burger patty and top with a slice of swiss cheese.
12.  Leave on a low heat grill (or oven/salamander) for 2 minutes to melt cheese.
13.  Spread horseradish mayo on both sides of the bun, sandwich the patties with rocket leaves on top.
14.  Serve