Preheat oven to 350°F

Brown hamburger meat adding one packet of dry onion soup mix

Drain hamburger meat and add the other packet of dry onion soup mix along with one cup of the cheese

Place hamburger mixture in a casserole dish that has been sprayed with nonstick spray

Pour other cup of cheese on top of hamburger meat mixture

In a separate dish whisk heavy whipping cream, mayonnaise, eggs and ground black pepper to taste

Pour this mixture on top of the meat mixture evenly

Bake dish for 30 to 35 minutes until golden brown

Top each serving with a bit of yellow mustard and a pickle to get the true White Castle experience

Enjoy!