Clean and wash the aubergines and peppers. Cut aubergines into slices, peppers into pieces. Peel garlic and cut into thin slices
Heat 3 tablespoons of oil (e.g. in a grill pan). Fry the aubergine slices for 1-2 minutes on each side. Season and let cool down
Heat 2 tablespoons of oil. Fry the peppers for 6-8 minutes, turning them over. Fry the garlic briefly. Season both and let them cool down
Wash the oregano, dab it dry, pluck the leaves. Dice cheese. Fill everything with peppercorns into prepared glasses, so that they are filled to 2/3. Cover with oil. Close the glasses tightly. Leave to stand for at least 2-3 days.