Possible Clues:

• Rogue cop wearing blue material flicks food
• Dad jokes?
• Go off service provided by firm making cinema fare
• Serving in a red-and-white striped box
• String on a Christmas tree
• Dad -- gosh! -- beginning to nibble cinema food
• After mineral, fancy that new snack at cinema?
• Movie theater purchase
• Instrumental hit single for Hot Butter in 1972
• Fizzy drink and cheesy stuff for snack