Preheat oven to 450 degrees F.
Cook the ground beef over medium heat for about 4 minutes. Transfer to a bowl and allow to cool for about 5 minutes.
Stir in 1 Tbsp of mustard and ketchup; sprinkle with salt and pepper.
Stretch the pizza dough onto the pizza stone (about 12 inches around). Brush the edges with olive oil and sprinkle with sesame seeds.
Drizzle ketchup on the pizza dough and top with 1 1/2 cups of shredded cheese. Top with beef and remaining 1/2 cup cheese.
Bake for 15-20 minutes, until the crust is golden and the cheese is bubbling,
Top with pickle slices and onions.
Drizzle the top with mustard and ketchup and serve.