Pre-heat the oven to 180C(356F) fan-forced.
Line a baking dish with baking paper.
Lay the chicken breast in a single layer in the dish then scatter the chorizo over the top.
Stuff the lemon wedges between the rest of the dish and then lay the oregano sprigs over the top. Sprinkle it with salt and pepper.
Bake the dish for 15-20 minutes or until the chicken is cooked through.
To make the risoni salad, combine cooked risoni with rocket and olive oil and a little salt.
Serve the chicken and chorizo with the risoni salad and a lemon wedge on the side.