Step 1

In a small bowl, whisk together brown sugar, soy sauce, sesame oil, red pepper flakes and ginger.

Step 2

Heat vegetable oil in a large skillet over medium high heat. Add garlic and cook, stirring constantly, until fragrant, about 1 minute. Add ground beef and cook until browned, about 3-5 minutes, making sure to crumble the beef as it cooks; drain excess fat.

Step 3

Stir in soy sauce mixture until well combined, allowing to simmer until heated through, about 2 minutes; set aside.

Step 4

Heat sesame oil in small skillet over medium high heat. Add kimchi and sugar, and cook, stirring constantly, until caramelized and heated through, about 3-5 minutes; set aside.

Step 5

In a small bowl, whisk together mayonnaise, Sriracha and lime juice; set aside.

Step 6

Serve ground beef mixture in tortillas, topped with kimchi, red onion, cilantro and sesame seeds, drizzled with Sriracha mayonnaise.