Cut the chard leaves into strips.
Cut tomatoes into slices.
Heat 1 tbsp olive oil and cook the chicken for 4 minutes until brown on both sides, move to a medium sized pot as first layer (eventually will be top after turned over).
In the same pan you cooked the chicken, heat the remaining olive oil with the onions and cook for 3 minutes until gold, add the celery and cook for 3 more minutes.
Add mangold and cook for 2 more minutes, add the wine and simmer for 7 minutes.
Add lemon peel and lemon juice, spices, mix for a minute and remove from flame.
Add coriander and mix.
Add the mixture onto the chicken.
Place above the tomatoes, garlic and rice.
Add the water, cover and cook for 20 minutes.
Place pot aside for 10 additional minutes and then turn over the pot on a clean plate.