Grandma Doris always called this her 4 ingredient sweet and salty secret. I finally learned her trick and the pan disappears from the picnic table in

minutes, until the caramel is bubbling gently around the edges and looks slightly thicker. This quick bake helps the caramel bond with the pretzel crust so the bars hold together once cooled.

Carefully remove the pan from the oven and immediately sprinkle the chocolate chips evenly over the hot caramel layer. Let them sit undisturbed for 3–5 minutes; the residual heat will soften and melt the chocolate.

Once the chocolate chips look glossy and soft, use a small offset spatula, butter knife, or the back of a spoon to gently