This savory, sweet and a tad smoky mac and cheese is a delicious twist to this comfort food classic.
Add the vinegar, honey, and remaining ½ teaspoon of rosemary and cook, stirring, until the liquid is absorbed, about 2 minutes. Transfer the onion mixture to a bowl and set aside. Carefully wipe the skillet clean with a paper towel.
Lauren recommends making the dish ahead of time and finishing it off in the oven just before you are ready to serve.