Bring pot of water to a boil, with about 1 tablespoon of salt and 1 tablespoon of oil. Add gf spaghetti and cook according to package directions.
Meanwhile in a large skillet heat oil over a medium-low heat. Add garlic and cook until golden. Add clams with the juice and the wine and simmer until slightly thickened, about 5 minutes.
Add drained pasta, salt, pepper, parsley and butter to the sauce. Toss and top with grated parmesan cheese.