Key Lime Bars

1. 1

   Preheat oven to 350; position oven rack in middle of oven; spray a 13 x 9 inch metal baking pan with cooking spray.

2. 2

   Reserve 1 tablespoon cake mix; set aside.

3. 3

   In a big bowl, add remaining cake mix, melted butter, and egg yolk; blend 1-2 minutes using an electric mixer on low speed until well blended and crumbly.

4. 4

   Press mixture into bottom of prepared pan; bake 15 minutes.

5. 5

   While crust bakes, in a big bowl, whisk the eggs, condensed milk, lime juice, and reserved cake mix until blended and smooth.

6. 6

   Stir in lime zest; carefully spread mixture over warm base layer.

7. 7

   Bake an additional 20-24 minutes or until topping is set and golden brown.

8. 8

   Transfer to a wire rack and cool completely.

9. 9

   Refrigerate until cold before serving, at least 2 hours; cut into bars.

10. 10

    *Creamy Lemon Barsprepare as directed but use lemon juice in place of lime juice and lemon zest in place of lime zest.

11. 11

    *Orange Burst Barsprepare as directed but use 1/2 cup orange juice plus 2 1/2 tablespoons lemon juice in place of lime juice and orange zest in place of lime zest.

* Per serving · 4 servings · Values may vary.