How to Make the Best Burger & Burger Sauce Gelson's

Ingredients

• 1 lb 80% lean ground beef
• Salt, to taste
• Black pepper, to taste
• 1 Tbsp grapeseed oil
• 8 slices Havarti cheese
• 4 soft burger buns
• 2 Tbsp butter
• 2 cups shredded iceberg lettuce
• 1 ¼ cup mayonnaise
• 1 Tbsp Dijon mustard
• 3 Tbsp roasted red pepper, rough chopped
• 2 Tbsp dill relish
• 6 shakes Tabasco sauce
• 1 tsp Worcestershire sauce
• 1 tsp lemon juice
• 2 Tbsp chopped parsley