A two-word phrase for coated sheets that are moisture-proof, grease-proof and used in cooking. Keep in mind: The first word may be at the bottom.
Reveal top + bottom answer and reasoning
Answer: WAXED PAPER
Top half: WAXED - WAXED is the first half of "waxed paper", the top + bottom answer for the shared final clue: "A two-word phrase for coated sheets that are moisture-proof, grease-proof and used in cooking. Keep in mind: The first word may be at the bottom".
Bottom half: PAPER - PAPER completes "waxed paper", so the top and bottom rows answer the shared final clue together.