Actually I figured this out, but it's non intuitive. Go to a transaction list and then click a bill payment -- any bill payment, it doesn't matter. Once in a bill payment go to the reports tab and hit check detail. That will bring up check detail on all checks for a given date range. Next, customize the report by selecting a Name filter and choosing the vendor you want to isolate. Then you can change the date range as needed. You end up with a list of checks and each bill underneath that the checks paid.
