Prepare the meatloaf as stated in the package directions.
Peel and finely dice the onion. Finely dice the peppers and celery, grate the lemon peel, squeeze out the juice.
Sauté the onions in 1 tabelspoon of oil until transparent; add vegetables and sauté for 3 minutes while turning. Season with salt and pepper. Add lemon juice.
Remove from the flame, add the remaining olive oil and chives. Slice the still warm meatloaf into thin slices and serve with vegetable vinaigrette and basil.
Gschwellti [potatos cooked in their skins] are a welcome accompaniment.