"Doubled cheese, caramelized (not browned! shallots instead of onions, used all heavy cream no milk, lowered oven temp to 400 and cooked longer so dish was heated throughout w/o browning cheese. It easily makes 12 servings as a side dish. It was the biggest hit of my prime rib Christmas dinner. GO INA!!!!!! Don't skimp on Gruyere it is key to flavor. Some of you have commented on price of Gruyere. This is a bargain dish considering it easily serves 12 people. Lot of calories but it is a holiday dish. With the richness of the dish, people ate smaller portions of prime rib. There is your money saver! How much do you spend for a prime rib roast for l2?

"Doubled cheese, caramelized (not browned!) shallots instead of onions, used all heavy cream no milk, lowered oven temp to 400 and cooked longer so dish was heated throughout w/o browning cheese. It easily makes 12 servings as a side dish. It was the biggest hit of my prime rib Christmas dinner. GO INA!!!!!!