01 - Preheat oven to 375°F and grease a 9x13-inch baking dish with cooking spray or butter.
02 - In a large skillet over medium heat, cook the chopped bacon until crispy, about 5-7 minutes. Remove bacon with a slotted spoon and set aside on paper towels, leaving 1-2 tablespoons of bacon fat in the skillet.
03 - Add the ground beef to the skillet with the reserved bacon fat. Cook over medium-high heat, breaking it apart with a spatula, until browned and cooked through, about 6-8 minutes. Drain any excess fat if needed.
04 - Add the diced onion and minced garlic to the beef. Sauté for 2-3 minutes until the onion is softened and fragrant.
05 - Stir in the diced tomatoes, chopped pickles, sugar-free ketchup, yellow mustard, Worcestershire sauce, smoked paprika, salt, and black pepper. Cook for 2-3 minutes to combine flavors, then remove from heat.
06 - In a separate medium bowl, whisk together the softened cream cheese and heavy cream until completely smooth and well combined.
07 - Spread the beef mixture evenly in the prepared baking dish. Pour the cream cheese mixture over the top and use a spatula to gently swirl it into the beef layer.
08 - Sprinkle the shredded cheddar cheese evenly over the casserole, then top with the cooked bacon pieces.
09 - Bake for 20-25 minutes until the cheese is bubbly and golden brown on top.
10 - Let the casserole rest for 5 minutes before serving to allow it to set. Garnish with sliced green onions or extra pickles if desired.