Preheat the oven to 400°F (200°C).Toss sweet potato cubes with olive oil, garlic powder, smoked paprika, salt, and pepper. Spread on a baking sheet and roast for 25–30 minutes, flipping halfway through, until golden and tender.

Cook the ground beef.Heat a skillet over medium-high heat. Add beef, breaking it up with a spatula. Season with onion powder, garlic powder, salt, pepper, and Worcestershire sauce if using. Cook for 7–9 minutes until fully browned.

Make the special sauce.In a small bowl, whisk together mayo, ketchup, mustard, pickle juice, garlic powder, salt, and pepper. Set aside.

Prepare the toppings.Wash and chop the lettuce, tomatoes, onions, pickles, and avocado. Grate the cheese or prepare any other toppings you’d like to add.

 

Assemble the burger bowls.In each bowl, layer the roasted sweet potatoes, ground beef, lettuce, tomatoes, onions, pickles, and avocado. Top with cheese and drizzle with the special sauce. Serve warm.