Heat a skillet over medium-high heat.
Add ground beef, breaking it apart with a spatula.
Season with garlic powder, onion powder, Worcestershire sauce, salt, and black pepper.
Cook until browned and fully cooked through, about 6-8 minutes. Remove from heat.
In a small bowl, whisk together all the sauce ingredients until smooth.
In serving bowls, divide the chopped romaine lettuce.
Top with cherry tomatoes, red onion, dill pickles, avocado, and shredded cheddar cheese.
Add the cooked ground beef to each bowl.
Drizzle with the special sauce and serve immediately.