Crispy Mexican Smashburger Quesadillas

Ingredients

• 1 pound ground beef
• 1 tablespoon taco seasoning
• 8 small flour tortillas
• 1 cup shredded cheddar cheese
• 1 cup shredded Monterey Jack cheese
• 1 small red onion, finely chopped
• 1 jalapeño, finely chopped (optional)
• 1 tablespoon vegetable oil or cooking spray
• 1 cup pico de gallo, for serving
• 1/2 cup sour cream, for serving
• Fresh cilantro, for garnish