Preheat the oven to 225 degrees. Blanch kale for two minutes, then transfer to ice water. Drain, squeeze out water, and cut into ribbons.
STEP 2
Heat olive oil in a large casserole. Add onion, carrots, and celery. Cook until onion is tender. Add garlic and cook until fragrant. Add dissolved tomato paste and bring to a simmer.
STEP 3
Add drained beans, remaining water, bouquet garni, herbes de Provence, salt, and pepper. Stir in kale, bring to a simmer, cover, and bake for three hours.
STEP 4
Mix remaining olive oil and bread crumbs. Sprinkle over beans and bake for an additional 30 minutes to an hour until browned. Serve warm.