Goal and options: How do I screw the 5" decking screw into the beam ?
output answer: With a power-drill drill a 3/8 in hole 3 inch deep into the beam, then screw the screw into the hole with a ratchet.

Goal and options: How to make a chocolate Star Wars Death Star candy
output answer: Melt pieces of chocolate then place the chocolate inside the Death Star mold and then place in fridge for 10 minutes to harden.

Goal and options: Clean cast iron
output answer:
Clean cast-iron skillet after every use. Wipe interior surface of still-warm skillet with paper towels to remove any excess food and oil. Rinse under hot running water, scrubbing with nonmetal brush or nonabrasive scrub pad to remove any traces of food. (Use small amount of soap if you like; rinse well.