Set the mayonnaise, honey, barbecue sauce, both mustards, vinegar, and lemon juice on the counter before turning on anything. Having every jar open and ready keeps the whisking motion steady from start to finish.

I learned this the hard way once, hunting for the vinegar bottle mid-whisk while the honey cooled and stiffened.

Add the mayonnaise and honey into a medium bowl first, then whisk until the mixture turns smooth and glossy. This should take under a minute of steady whisking by hand.

The mixture should look pale amber and completely smooth, with no streaks of honey left sitting at the bottom.

Add the barbecue sauce next and stir it in completely, until the color turns a deep reddish brown throughout. Sweet Baby Ray’s blends in fast because it’s thin enough to move with the whisk. My grandmother’s old Pyrex bowl, the one with tiny blue flowers on the side, is what I always reach for.

Add the Dijon and yellow mustard together, then whisk hard for about 20 seconds without stopping. Moving fast here keeps the mustard from sitting in separate little clumps. The color should shift to a deeper gold, streak-free, with no separate pools of mustard left visible.

Pour in the apple cider vinegar and the fresh lemon juice, whisking the whole time as you go. This is the step that brightens every other ingredient in the bowl. A watery sauce here usually got too much vinegar too fast. An extra teaspoon of mayonnaise thickens it right back up.

Stir in the salt and black pepper, then set the bowl on the counter for 6 minutes. This short rest lets sharp flavors settle into the mayo base. Skipping this step is fine in a pinch, but the sauce tastes noticeably sharper right after mixing.

Dip a real fry into the sauce instead of tasting it off a spoon alone. This mimics exactly how the sauce gets eaten. A flat-tasting batch usually needs another squeeze of lemon juice or one more small pinch of salt.