# What You'll Need:
→ Smashburger Patties
01 - 1 pound ground beef (80/20 blend)
02 - 1 teaspoon kosher salt
03 - 0.5 teaspoon freshly ground black pepper
04 - 1 teaspoon garlic powder
→ Quesadillas
05 - 4 large flour tortillas (8 to 10 inches each)
06 - 8 slices sharp cheddar cheese
07 - 4 slices American cheese
08 - 1 small yellow onion, thinly sliced
09 - 2 tablespoons vegetable oil, divided
10 - 2 tablespoons unsalted butter, melted
→ Sauce
11 - 2 tablespoons mayonnaise
12 - 1 tablespoon Dijon mustard
13 - 1 teaspoon Worcestershire sauce
→ Optional Garnishes
14 - Sliced pickles
15 - Chopped fresh cilantro
16 - Salsa
17 - Sour cream
# Directions:
01 - In a medium bowl, gently combine ground beef with kosher salt, freshly ground black pepper, and garlic powder until just incorporated, avoiding overworking the meat.
02 - Preheat a flat griddle or heavy skillet over medium-high heat. Add 1 tablespoon vegetable oil and distribute evenly across the surface.
03 - Place sliced yellow onion on one side of the griddle. Cook while stirring occasionally until golden and softened, approximately 5 minutes. Transfer to a plate and reserve.
04 - Divide beef mixture into 8 equal portions and gently roll each into a loose ball.
05 - Place 4 beef balls onto the hot griddle with even spacing. Immediately press each down firmly with a heavy spatula or burger press to create thin patties approximately 4 inches in diameter.
06 - Cook patties without moving them until edges are deeply browned and juices bubble to the surface, about 2 minutes. Season tops with a pinch of salt and pepper.
07 - Flip patties and immediately top each with 1 slice cheddar and 1 slice American cheese. Cook until cheese melts and edges crisp, approximately 1 minute. Transfer patties to a plate.
08 - Whisk together mayonnaise, Dijon mustard, and Worcestershire sauce until well combined.
09 - Wipe griddle clean and reduce heat to medium. Lightly brush both sides of each tortilla with melted butter.
10 - Place one buttered tortilla on the griddle. Layer 2 cheesy smashburger patties side by side, sprinkle with cooked onions, and drizzle with prepared sauce. Top with second buttered tortilla.
11 - Cook until the bottom tortilla is golden and crisp, about 2 minutes, applying gentle pressure with a spatula.
12 - Flip the quesadilla carefully and cook the other side until golden, approximately 2 minutes more.
13 - Transfer quesadilla to a cutting board and rest for 1 minute. Slice into wedges using a sharp knife or pizza cutter.
14 - Repeat the assembly and cooking process with remaining ingredients to make 2 large quesadillas total. Serve hot with optional garnishes including pickles, cilantro, salsa, or sour cream.
