1. Cook spaghetti, as label directs; drain; keep hot in kettle.
2. While the spaghetti cooks, saute garlic lightly in butter or margarine in medium-size saucepan. Stir in the clams and liquid, lemon juice and cayenne; simmer 5 minutes.
3. Toss with the hot spaghetti; serve plain or with your favorite grated cheese.