Soak the 3αλφα Large size Flat Beans from Prespes, Florina overnight. The next day, rinse well and put them in a pot of cold water. Boil for 35-40 minutes.
Remove the pan from the heat and strain.
Sauté the onion in a frying pan for 3-5 minutes, then add the beans.
In a large pan, add the olive oil and all ingredients, chicken fillets, sautéed beans, peppers, mint, salt and pepper.
Bake in a preheated oven at 180 ° C for 40 minutes and serve.