1. Preheat your oven to 375°F (190°C)

2. Take a large mixing bowl and add the ground beef chopped onion salt and pepper Mix everything well using your hands or a wooden spoon just until combined

3. In another bowl whisk together the heavy cream eggs and a small pinch of salt until smooth

4. Stir in the breadcrumbs to the cream mixture until fully incorporated

5. Pour half of the beef mixture into a greased 9 by 13 inch baking dish spreading it out evenly

6. Top this with half of the cream mixture spreading it smooth

7. Repeat the layering with the remaining beef and cream mixtures

8. Sprinkle the chopped parsley and a small pinch of sugar over the top

9. Place the dish in the oven and bake for 35 to 40 minutes until the top is golden and the gratin is bubbling

10. Once baked take it out and let it sit for 10 minutes before serving