"#Cookie Jar" (Hashtag Cookie Jar) is a song by South Korean girl group Red Velvet, taken from their debut Japanese extended play of the same title, #Cookie Jar (2018).

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It was reported that Red Velvet will have their Japan debut on July after Japan Nikkan Sports and Sankei Sports reported that the group had its first Japanese conference at the Sports Plaza in Musashino, Tokyo.^[1][2] Red Velvet confirmed themselves that they will officially debut in Japan during their Redmare concert tour.^[3]

Musically, "#Cookie Jar" was described as a song that has "groovy bassline and uptempo, twinkling electro-pop melody" that recalls Rookie.^[4]

Following its initial release, "#Cookie Jar" was met with mixed reviews from music critics. Lee Gi-eun of TV Daily called the track "addicting", further adding that "even if you only listen to it once, the merriness of the Red Velvet songs is there".^[5] Writing for Billboard, Tamar Herman described the track that "leads up to its funky earworm of a chorus".^[4]

The music video features the group members dressed in cute pastel-style outfits and original accessories, showing off unrealistic comic visuals. Following the music video's release, Seok Tae-jin of Insight Korea described the group's "unique, fresh, and bubbly charms", further praising the video for its "dazzling visuals.".^[6] Tamar Herman of Billboard noted Red Velvet's "similarly bubbly, bathing the fivesome in retro looks inspired by the '60s, '70s, and '80s" music video theme.^[4]

Credits adapted from the liner notes of #Cookie Jar and Bloom.^[7][8]

Studio

• MonoTree Studio – recording
• SM Yellow Tail Studio – mixing
• Sterling Sound – mastering

Personnel