01 -
In a large mixing bowl, combine ground beef, salt, black pepper, smoked paprika, garlic powder, cayenne pepper, and Worcestershire sauce. Mix gently until just combined.
02 -
Divide the beef mixture into four equal portions and shape each into a thin patty.
03 -
Heat vegetable oil in a large skillet over medium-high heat. Once hot, add the patties and press down firmly with a spatula to maximize contact. Cook until crispy on one side for 3-4 minutes, then flip and cook an additional 2 minutes until desired doneness.
04 -
Remove patties from skillet and place on paper towels to drain excess fat.
05 -
Wipe the skillet clean and return to medium heat. Add butter to coat the bottom.
06 -
Place one flour tortilla in the skillet, top evenly with 1/4 cup shredded cheddar, one cooked patty, diced red onion, sliced jalapeños, and another 1/4 cup shredded cheddar.
07 -
Fold the tortilla over the fillings, pressing gently to seal the edges.
08 -
Cook for 2-3 minutes per side until the exterior is golden brown and cheese has melted.
09 -
Repeat the assembly and cooking process with remaining tortillas and ingredients. Slice quesadillas into wedges and serve warm with salsa, sour cream, and guacamole.