INGREDIENTS
1/2 cup
unsalted butter
1
medium onion, thinly sliced
3
leeks, sliced
3
large baking potatoes, peeled and cut into 1/4-inch-thick slices
3 14 1/2 ounce cans
chicken broth
1 tsp
salt
1/4 tsp
pepper
Toppings: shredded Cheddar cheese, crumbled cooked bacon, chopped fresh chives