Cranberry Bean Gratin
3 c. cooked cranberry beans, with about 1 c. cooking liquid salt 6 T. extra-virgin olive oil 1/2 Vidalia or other sweet onion, diced 4 cloves garlic, slivered 1/2 t. dried sage 1 c. chopped, cooked kale or other green 2 ripe tomatoes, coarsely chopped freshly ground black pepper 1/2 c. toasted bread crumbs Preheat …