Instructions
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Preheat the Oven
Preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper or lightly coat it with nonstick spray. -
Cook the Beef
In a large skillet over medium heat, cook the ground beef and diced onion until the beef is fully browned. Season with salt and pepper, then drain off any excess grease. -
Prepare the Dough
On a lightly floured surface, roll out the French bread dough into a large rectangle, about 12 × 18 inches. -
Add the Condiments
Spread the ketchup and mustard evenly over the dough, leaving about a ½-inch border around the edges. -
Layer the Fillings
Evenly distribute the cooked beef over the dough. Sprinkle with crumbled bacon and chopped pickles. -
Add the Cheese
Arrange the American cheese slices in a single, even layer over the fillings. -
Roll and Seal
Starting from a long edge, carefully roll the dough into a log. Pinch the seams and ends to seal, then place the loaf seam-side down on the prepared baking sheet. -
Brush and Bake
Brush the top of the dough with the beaten egg and sprinkle with sesame seeds. Bake for 20–25 minutes, or until golden brown. -
Cool and Serve
Let the bread cool for about 5 minutes before slicing. Serve warm with Thousand Island dressing for dipping.