Jose's Chimichurri Burgers – Rachael Ray

Ingredients

• 3 tablespoons Worcestershire sauce
• 1/4 cup red bell pepper, chopped
• 1 serrano pepper, seeded
• 1/2 small yellow onion
• 2 cloves garlic
• 1/2 cup parsley and cilantro, packed
• 1 sprig oregano or marjoram or 1 teaspoon dried oregano
• 2 pounds ground beef or pork
• Salt and pepper
• 1 tablespoon canola or vegetable oil, plus some for drizzling
• 1 yellow onion, thinly sliced
• 1/2 pound white cabbage, cored and thinly sliced
• 6 thick slices beefsteak tomato
• 1 cup mayonnaise/aioli, homemade* or store-bought
• 1/3 cup ketchup
• 1 tablespoon Worcestershire sauce
• 1/4 cup sweet pickle relish
• 6 burger rolls, club rolls or sweet Portuguese rolls, split