Delighted with the outcome! My friends from church couldn’t stop discussing it.

1 package (17.3 ounces) frozen puff pastry, thawed
1 cup chopped walnuts or pecans
1 cup brown sugar
1/2 cup unsalted butter
1/4 cup heavy cream
1 teaspoon vanilla extract
1/2 teaspoon ground cinnamon
1/4 teaspoon salt