01 -
Preheat oven to 350°F. Line baking sheet with parchment paper. Cook ground beef with onion, salt, and pepper. Drain excess grease.
02 -
Roll French bread dough into large rectangle on floured surface. Spread with ketchup and mustard, leaving border around edges.
03 -
Layer beef mixture, crumbled bacon, chopped pickles, and cheese slices over sauce.
04 -
Roll up dough from long side, seal edges. Place seam-side down on baking sheet. Brush with beaten egg, sprinkle with sesame seeds.
05 -
Bake for 20-25 minutes until golden brown. Cool 5 minutes before slicing. Serve with Thousand Island dressing.