Brussels Sprouts without flank clove

1 medium onion , chopped 2 tablespoons butter or 2 tablespoons margarine 1 large potato , peeled & cubed (about the size of hash browns) 1 lb Brussels sprout[...]

1 tablespoon vegetable oil 1 onion, chopped 1 large potato, peeled and cubed 1 bay leaf 1 pound Brussels sprouts, trimmed and halved lengthwise 1 red pepper,[...]