Cheeseburger Quesadillas

Details

Ingredients

• ½ pound ground beef
• ½ red onion, diced
• 1 clove garlic, minced
• 1 pinch salt
• 1 cup shredded Cheddar cheese, divided
• ¼ cup shredded mozzarella cheese
• 1 tablespoon milk
• 1 tablespoon butter, divided
• 2 (12 inch) flour tortillas
• 2 tablespoons Thousand Island dressing, divided
• 1 romaine lettuce heart, sliced
• 1 tomato, sliced
• ½ red onion, sliced