
1 lb fresh green beans
2 tablespoons olive oil
1 tablespoon lemon juice
1 teaspoon Dijon mustard
1 small garlic clove, minced
1/2 teaspoon kosher salt
1/4 teaspoon black pepper
1/4 cup sliced almonds or walnuts
1/4 cup crumbled feta or shaved Parmesan
1 tablespoon chopped fresh parsley or dill