Brussels Sprouts and Walnuts - With meat

1 lb small to medium Brussels sprout 1 1/2 tablespoons olive oil 1 teaspoon balsamic vinegar (or more) 1/4 teaspoon black pepper 1/2 cup chopped walnuts (or a[...]

2 lbs Brussels sprouts , base & outer leaves trimmed,and halved 8 tablespoons butter , not margarine 1/4 cup thinly sliced shallots or 1/4 cup green onion 2[...]