Take two large pinches of needles, sprinkle over a roast, then bake as normal.
Or, use it in long-cooking soups and stews. It does best if it has a lot of time to soak in and soak up the juices.
You can use the longer stems (minus the needles) as kabob sticks.
You can also hang branches of it or lay them out in baskets, as an air freshener.
/johnny