3 tablespoons extra virgin olive oil
1 onion, sliced thinly
1 fennel bulb, stems and fronds removed, sliced thinly
3 large garlic cloves, minced
Pinch red chile flakes
1/4 teaspoon dried oregano
2 15-ounce cans cannellini beans, rinsed and drained
2 pints chicken or vegetable stock
Coarse salt
1 bunch of kale, stems disgarded and leaves torn into bite-sized pieces
8 thin slices baguette
1 cup of Gruyere or Parmesan cheese