Aunt Martha always called this her 4 ingredient sweet and salty secret. I finally learned her trick and the pan vanishes from the potluck table in minutes.
These 4-ingredient butterscotch pecan pretzel bars are the kind of old-school dessert that earns a permanent place in a recipe box because they deliver big flavor with almost no fuss. The combination of salty crushed pretzels, rich melted butter, sweet thick butterscotch sauce, and chopped pecans makes a bar that lands somewhere between a…