Preheat the oven to 220 degrees celcius.
Cut the bigger brusselsprouts in half. Season with pepper and salt, add the garlic and some oil. Toss and bake for about 20 minutes.
Make 4 pockets in the brusselsprouts and gently drop in the eggs. Divide the parmesan cheese on top and bake for another 10 minutes.
Lastly season the eggs with pepper, salt and chili flakes and serve immediately.