Originally Posted by gregf83

Unless you're trying to lose weight then yes you'll need to make up the calories you burned during the ride. For short rides, timing isn't particularly important so if you just increase what you normally eat you should be fine.

Eating within 30 min after a ride is more critical when you've come close to fully depleting your glycogen stores. In one hour you might burn 300-500 Cals of carbs (the rest come from fat) so it's not difficult to replenish.