01 -
Green or brown lentils (2 cups).
02 -
Extra virgin olive oil (1/4 cup plus more for drizzling).
03 -
Garlic cloves, lightly crushed (4-6).
04 -
Celery rib, finely diced (1).
05 -
Yellow onion, finely diced (1).
06 -
Fennel bulb, finely diced (1).
07 -
Peperoncino or red pepper flakes.
08 -
Thyme sprigs (3).
09 -
Bay leaf (1).
10 -
Sea salt (1 teaspoon).
11 -
Yellow potato, cubed (1).
12 -
Vegetable or chicken broth (4 cups).
13 -
Water (4 cups).
14 -
Bread cubes for croutons (2 cups, optional).