Preheat oven to 425°F. Lightly spray a large 15 to 16-inch round pizza pan with non-stick cooking spray. Set aside.

On a clean work surface, carefully roll or stretch out your fresh pizza dough to 14 inches, then place it onto the prepared pizza pan. Using a fork, poke holes all over the entire surface of the pizza dough. Be careful to leave about a half-inch border around the edges so your crust can rise. The holes help prevent bubbles from forming on the surface where you will add your toppings as you par-bake the pizza dough.

Brush the entire surface of the pizza crust with 1 tablespoon of olive oil. Bake the pizza dough (with no toppings on it) for 15 minutes. Once the pizza dough is partially baked, remove it from the oven and allow it to cool on the counter while you finish preparing the toppings.

While your pizza dough is par-baking, you will make the ground beef topping by adding to a large skillet, on medium-high heat, the remaining 1 tablespoon olive oil, lean ground beef, ¾ cup diced yellow onion, Worcestershire sauce, garlic powder, salt, and black pepper. Cook and brown the ground beef for 5-6 minutes or until no pink remains.

Using a slotted spoon, remove the cooked ground beef from the skillet and place it onto a paper towel-lined plate to allow as much of the excess grease to drain from the ground beef mixture as possible.

Spoon the drained ground beef mixture onto the par-baked pizza dough, making sure that the ground beef is evenly distributed and leaving about a 1-inch border for the crust.

Top the ground beef with the shredded American cheese. Be sure that the cheese is evenly distributed over the surface of the pizza.

Return the ground beef and cheese-topped pizza to the oven to finish baking the crust and melt the cheese. This should take about 7-11 minutes or until the crust is golden and the cheese is melted. Remove the pizza from the oven and slide it onto a large cutting board.

To finish topping the Big Mac pizza, sprinkle the shredded iceberg lettuce over the melted cheese, followed by the remaining ¼ cup diced yellow onion.

Next, randomly place the dill pickle slices around the top of the Big Mac pizza, drizzle the Thousand Island dressing over the entire pizza in a decorative pattern, and then garnish with the sesame seeds.

Using a pizza cutter, cut the pizza into eight slices by cutting the pizza in half, then into quarters, then cut each quarter in half.