Peel the orange, take away the white part as best as you can. Thinly slice the orange pulp.

Coarsely crush the unshelled pistachios. You can use a food processor or wrap them in a kitchen cloth and pass a rolling pin over it.

Cut a circle around the stem of the bell pepper to remove it. Discard the stem and all the seeds you can. Open the pepper into 4, use the knife to remove the inner white veins and left seeds of the part you are using. Discard both.

Thinly, very thinly, slice the pepper.

Peel and slice the shallot as thin as you can.

Place all the prepared ingredients in a bowl. Season them with olive oil, salt, and pepper as per your taste.