This site's own FAQ addresses this directly: follow the directions printed on your bottle — one capsule a day, ideally with breakfast and a glass of water at the same time each day.
Worth reading "follow the directions printed on your bottle" as this site's own stated priority — the printed label takes precedence over this general FAQ guidance if the two ever differ.
This site separately recommends taking Bacopa with breakfast specifically to ease mild stomach upset — worth reading that safety tip as the reason behind this routine instruction, not just a convenience suggestion.