How many litres is the recommended 29cm casserole for Chicken In A Pot With Lemon And Orzo? I see 29cm pots at 3.8 litres, 5 litres and 6 litres.
For Chicken In A Pot With Lemon And Orzo Nigella uses a cast iron casserole (Dutch oven). The model in the photo is an oval casserole that is 29cm long and has a capacity of approximately 4.7 litres.
However, you can use any similarly sized heavy-based pot with a tightly fitting lid that can be used both on the hob and in the oven. If your pot can't be used on the hob then brown the chicken in a frying pan first and then transfer it to the dish. Add the zest and garlic to the frying pan, stir over a low heat for a few seconds then add to the pot, along with the vegetables. Instead of using cold water use just-boiled water to add to the pot, then immediately clamp on the lid, transfer to the oven and continue with the recipe.