Heat the oven to 200C/fan 180C/gas 6. Make up the ciabatta dough following the packet instructions. Roll out to make a large rectangle.
Spread with half the tomato sauce, add the cheese and basil then roll up like a swiss roll.
Cut into 12 slices, then arrange on a baking tray, cut-side up, leaving 2cm between each piece. Leave for 10 minutes to rise. Bake for 20-25 minutes, until puffed and golden. Serve with the remaining sauce, for dipping.