Brown sausage in a hot oiled pan and break into chunks (3 to 5 minutes). Remove from pan.
In same pan, add onion, carrot, celery, tomato paste, pepper flakes, and seasoning. Cook until mirepoix starts to soften (2 to 3 minutes)
Add beans and 1 cup water. Bring to a boil then reduce to a vigorous simmer
Cook until thickened a bit (8 to 10 minutes)
Add sausage, pressing down into the beans
Sprinkle with panko
Put in oven for 8 to 10 minutes until most of the liquid is gone and the panko is browned
Remove and sprinkle on the parsley