1. Start by cutting the bread into triangles.
2. Brush each triangle with olive oil.
3. Drizzle the triangles with egg yolk.
4. Heat some oil in a frying pan.
5. Fry the triangles until golden.
6. Drain on kitchen paper then cut into croutons.
Check out this delicious cornish red mullet soup with crispy croutons and rouille recipe as featured on Cookery School.