Nutty Caramel Bars

Directions

1. 1
   Preheat oven to 350°.
2. 2
   Butter a 13 x 9 x 3-inch baking pan. Set aside.
3. 3
   In a large bowl of an electric mixer, beat 1 cup (2 sticks) butter with granulated sugar until light and fluffy.
4. 4
   Beat in egg and vanilla.
5. 5
   Stir in flour until well mixed.
6. 6
   Pat evenly into prepared pan.
7. 7
   Bake until edges are brown and center looks dry, about 15 minutes.
8. 8
   Remove to a wire rack while preparing topping.
9. 9
   Maintain oven temperature.