For the casserole: 

• 1 tbsp olive oil 
• 1 ½ pounds ground beef
• 1 clove garlic
• 4 tbsp cream cheese
• 2 tbsp sugar-free ketchup
• 1 tbsp yellow mustard
• 1 tbsp Worcestershire sauce
• 4 large eggs
• ¼ cup heavy cream
• 1 tsp hot sauce
• 4 ounces shredded cheddar
• salt and black pepper to taste 

For the sauce: 

• ½ cup mayonnaise 
• 2 tbsp sugar-free ketchup 
• 2 tbsp diced pickles 
• 2 tsp yellow mustard 
• 2 tsp white vinegar 
• ½ tsp onion powder 
• ½ tsp paprika 

For the topping: 

• 1 cup shredded iceberg 
• 1–2 pickles, sliced 
• ½ small onion, diced 
• 1 tsp sesame seeds