Prepare burgers as recipe directs and keep patties refrigerated until ready to cook.
Cook bacon in a large skillet over medium-high heat until crisp, 10 to 12 minutes, working in batches if necessary. Drain on paper towels.
Grill or broil burgers as recipe directs. Top with cheese during last minute of cooking time. Transfer each burger to a bun, top with bacon and pickles and serve immediately with assorted toppings, if desired.