Steps:

1. 1 Preheat oven to 400 degrees and line baking sheet with parchment paper
2. 2 Heat large skilled over medium heat
3. 3 Add the beef and cook for 8-10 minutes, or until cooked through
4. 4 Roughly chop half of the cheese, leaving other half as slices, set aside
5. 5 Using a slotted spoon, remove beef from skillet and transfer into large bowl; discard the fat and liquid from the pan. Let beef cool in the bowl, stir in the chopped cheese
6. 6 On lightly floured work surface, roll dough into a 20-by-14 inch rectangle
7. 7 Arrange beef and cheese mixture evenly on half the dough, starting on the shorter end and leaving one inch border on the sides
8. 8 Drizzle 2 tablespoons ketchup evenly over the beef mixture and the uncovered half of the dough
9. 9 Repeat with with all of the mustard, and then red onion
10. 10 Lay down the remaining cheese slices evenly over half of the dough with no beef mixture leaving a 1 inch border on the sides
11. 11 Arrange the bacon pieces and 26 dill pickle chips just over beef mixture
12. 12 Working from the short side with the beef mixture, tightly roll up the dough into a log
13. 13 Pinch the open ends together to seal, tuck them underneath the log
14. 14 Transfer the log, seam side down, to prepared baking sheet, brush all over with water and sprinkle with sesame seeds.
15. 15 Bake for about 40 minutes, rotating the pan halfway through until bread is golden brown
16. 16 While bread bakes, whisk together mayonnaise, onion flakes, sugar, pinch of salt and pepper, the remaining 3 tablespoons of ketchup, 2 tablespoons of finely chopped dill pickle chips and 1 teaspoon of pickle brine in a small bowl - salt if needed
17. 17 Let bread cool for 10 minutes and serve