Rather than letting you sift through the various possibilities for building a better burger by adding a store-bought sauce ..

The burger at 620 Club (formerly Keenan’s) on West Seventh Street in St. Paul. (Jess Fleming / Pioneer Press) A few employees and a regular bought Keenan ... one of the best, crisp-edged ...

why not try to improve the next best (and most convenient) option? After all, the pre-made patties are ripe with potential.