Rose Broquet is a large shop in Mario & Luigi: Dream Team located in Driftwood Shore. It is owned by Broque Madame, and staffed by Brocks. It is next to one of the gold Warp Pipes from the Warp Pipe Block, with the destination labeled as "Shop Area".
Rose Broquet has two areas, The first area is split into a silver side and a gold side. Mario and Luigi enter the silver side and use the shop there at any time, while they can only enter the gold side after they reach Rainbow Rank. The second room, located farther back, has Broque Madame herself. She runs "Battle Broque Madame", the Luiginary Attack challenge mode.
The first time Mario and Luigi come here is to meet up with Princess Peach and Toadsworth, who are disguised as Brocks while hiding from Bowser. After it is revealed that Kamek was disguised as Peach, Broque Madame informs them that Dr. Snoozemore has returned to the island. Later, Mario and Luigi return here while searching for the Driftwood Jellyfish Sheets, when Broque Madame gives the brothers a lithograph needed to access the cave where the sheets are located.
If the Bros. enter the gold side, they are given a full service treatment guided by Britchard. This lengthy cutscene includes giving Mario and Luigi tea, offering a full restoration of HP and BP at no cost. Then they can purchase special gear. Upon reentry, the player can skip the treatment and go directly to the shop portion.
Dreamy Driftwood Shore has a shop called "Broque Madame's". A Dream World version of Broque Madame staffs it, and it has similar visual cues to Rose Broquet.