Beat the eggs with the water and season with salt and pepper.
Heat ¼ oil in a frying pan and bake 1 thin omelet, repeat until you have 4 omelettes. Keep them warm under aluminium foil.
Chop the basil finely and mix with the cottage cheese. Season with freshly ground pepper.
Cut the tomatoes into quarters. Divide the cottage cheese and tomato over the omelettes and roll them up. Cut diagonally and serve immediately.