Beach Pavement Made of Planks
Puzzle 1 of Baking a Cake Hard Pack
Question is: Beach Pavement Made of Planks
and the answer is: BOARDWALK
Word Meaning:
BOARDWALK — A slightly elevated path (walkway) for pedestrians over sandy or swampy ground, typically made out of wood; specifically (Canada, US) one running alongside a body of water or beach.
Definitions from Wiktionary.