every now and then

(every) now and then

Occasionally; sometimes. Josh does stop by the store every now and then, but I haven't seen him lately. I don't eat a lot of sweets, but every now and then I just need a piece of chocolate cake.
See also: and, now
Farlex Dictionary of Idioms.

every now and then

Also, every now and again; every once in a while; every so often. Occasionally, from time to time; also, periodically. For example, Every now and then I long for a piece of chocolate, or We take long walks every now and again, or Every once in a while he'll call, or Every so often she washes the car. The first term dates from the first half of the 1700s, the last from the mid-1900s. Also see from time to time; once in a while.
See also: and, every, now
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • (every) now and then
  • now and then
  • every so often
  • every which where
  • every other
  • every which way
  • cover all bases
  • cover all the/your bases
  • learn (something) from the bottom up
  • learn from the bottom up