Crispy Cheeseburger Quesadilla with Melted Cheese and Pickles

Ingredients

• 1 pound lean ground beef
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/2 teaspoon garlic powder
• 1/2 teaspoon Worcestershire sauce
• 1/2 cup mayonnaise
• 2 tablespoons grated onion
• 2 tablespoons ketchup
• 1 tablespoon pickle relish
• 2 teaspoons yellow mustard
• 1 teaspoon white vinegar
• 1/4 teaspoon paprika
• 4 burrito-sized flour tortillas
• 16 thinly sliced cheddar cheese
• 1/2 cup chopped onion
• 1/2 cup pickles
• 1 tablespoon olive oil