Instructions:
- Prepare the eggs: Hard boil 10 eggs, cool, peel, and cut in half lengthwise. Arrange in a baking dish.
- Make the creamy sauce: Whisk together heavy cream, salt, pepper, garlic powder, onion powder, and Dijon mustard. Stir in diced ham if desired.
- Assemble: Pour the creamy sauce over the egg halves. Sprinkle with grated cheddar cheese.
- Bake: Preheat oven to 180°C (350°F). Bake for 20 minutes, or until bubbly and golden brown.
- Serve: Garnish with fresh parsley and serve warm.