Cut the ciabatta into approx. 2 cm cubes.

Place the bread cubes in a casserole dish.

Drizzle with half of the olive oil.

Place the casserole dish in the preheated oven (180 °C).

Bake for 15 minutes.

After approx. 7–8 minutes, turn the bread cubes once.

Cut the bell pepper into cubes.

Cut the onion into half rings.

Cut the peperoni into rings.

Cut the tomatoes into thick slices.

Roughly chop the parsley.

After 15 minutes, add all prepared vegetables (bell pepper, onion, peperoni, tomatoes, and parsley) to the casserole dish.

Crumble feta over the vegetables and bread.

Cook the casserole for another 20 minutes in the oven until the feta is lightly browned and the dish is thoroughly cooked.