To prepare the seared tuna with winter ratatouille, start with the purple cabbage: julienne the cabbage (1) and place it in a pot. Add the thyme (2) and cover with water (3). Let the cabbage boil ...

Meanwhile, clean the white and purple cabbage: wash them and cut the amount indicated in the recipe into julienne strips (7-8). In the same pan where you cooked the bacon, add the purple cabbage ...