Maple syrup, naturally sweet with its lush notes of vanilla and caramel, is one of the first signs of spring. Now, maple’s lesser-known forest cousin birch is having its day. Nature’s unrequited gifts ...

Bring the mixture to a boil over moderate heat and cook, stirring, for 1 minute. Let the caramel sauce cool slightly and serve warm or at room temperature.

Using crunchy peanut butter for the caramel sauce provides a bit of texture while also adding nuttiness, and takes this cake beyond the realm of breakfast foods and into dessert land. 39 Essential ...