Answer:
The cookies smell quite delicious
Explanation:
An adjective is used to complement a noun, in this case quite is complementing delicious, since this is actually the only phrase that has an adjective.
The first one is only talking about his specialty, saying nothing about their specialty.
The second is not saying anything about the cake.
The third is only saying that they like to bake with their mother, not saying anything about her mother.
