We don’t go out for dinner too much. Pre-pandemic, it was what we did to socialize with other couples. Now, we tend to host/attend at-home dinners or socialize around other activities besides eating (hiking, craft fairs…). When we do go out for dinner it is for one of two reasons: either it is to eat something we can’t/won’t make better at home (sushi and Indian food come to mind) or else just because we’re in the mood to enjoy a vibe (usually an outdoor place on the water).
As far as barometer dishes, my H always judges a restaurant on the quality of their French fries, as he feels this is the most basic thing that a place should know how to get right (read: crispy and perfectly golden brown).