Preheat oven to 425°F (220°C) and line a baking sheet with parchment paper. potatoes into cubes, toss with olive oil and salt, then spread in a single layer. Bake for 40 minutes, tossing occasionally.
Heat a pan over medium-high heat with a drizzle of olive oil. Sauté diced onion for 2–3 minutes until softened. Add ground beef, break it apart, and cook until browned and no longer pink.
Divide lettuce evenly between three large bowls. Top with beef and onions, then layer on tomatoes, pickles, and shredded cheese.
In a small bowl, whisk together all sauce ingredients until smooth.
Top each bowl with roasted potatoes. Drizzle with sauce and enjoy!
