Cakes, Desserts, Recipes

Grapefruit-Walnut Sheet Cake #FreshTastyValentines

Brighten up your Valentine’s Day celebration with this refreshing Grapefruit-Walnut Sheet Cake! It’s even frosted too!

Brighten up your Valentine's Day celebration with this refreshing Grapefruit-Walnut Sheet Cake! You won't want to miss the grapefruit cream cheese frosting! :) #FreshTastyValentines

Winter is made for citrus, is it not? Or citrus is made for winter… no matter how you put it, citrus brings warmth and energy to otherwise dull, cold, dreary days. I know a lot of people associate citrus flavors–lemon, lime, orange, grapefruit–with summer [lemonade sure helps there!] but I’ve always been in the winter=citrus camp. In junior high and high school, we sold citrus fruits in the winter to raise money for orchestra [yup, I was an orch-dork! #Violin #ThenViola]. And, how many classic books talk about children reaching into their stockings on Christmas and being THRILLED to receive an orange? Yup. Winter=citrus. So it was only fitting that my snow day baking last week involved this refreshing Grapefruit-Walnut Sheet Cake.

Brighten up your Valentine's Day celebration with this refreshing Grapefruit-Walnut Sheet Cake! You won't want to miss the grapefruit cream cheese frosting! :) #FreshTastyValentines

This cake reminds me, a little bit, of a classic lemon cake… tangy and sweet all at once, but remixed with the unique floral notes of a grapefruit so you know it’s something special! Since grapefruits have a certain degree of tartness to them, you definitely need the sugar and cinnamon in this recipe to balance out the flavors. This cake uses all of the grapefruit–zest AND juice–to make the grapefruit flavor really stand out.

Brighten up your Valentine's Day celebration with this refreshing Grapefruit-Walnut Sheet Cake! You won't want to miss the grapefruit cream cheese frosting! :) #FreshTastyValentines

At first, I wasn’t sure if this would be a good recipe to contribute as part of #FreshTastyValentines [read all about it here–and be sure to enter the giveaway!]. After all, it’s a snack cake–made in a sheet pan–and doesn’t look all that fancy. But then I realized that Ben and I don’t really do fancy. Cozy nights at home are our thing. We’ve been together for eight years, married for nearly seven of them. I’m sure once baby boy comes in May we will look forward to date nights out more than we currently do, but for now, sheet cake in the fridge [that we can snack on all week] is perfectly fine with us! Plus, grapefruit is pink soooo it’s festive enough, right? Another point that tipped the scale towards “recipe for #FreshTastyValentines” was the fact that I used one of our sponsor goodies in the making of this recipe! Duh, better include it. 🙂

KitchenIQ is one of our fabulous sponsors, and generously sent the bloggers involved in this event a Strawberry Tool [can’t wait to find some good looking strawberries to test out this strawberry slicer!!] and a wonderful Better Zester! This zester was wonderfully easy to use and was so sharp that it hardly took any effort to zest a whole grapefruit. Love it! Thanks for your support in #FreshTastyValentines, KitchenIQ! You can find Kitchen IQ on Facebook, Twitter, and Pinterest… and be sure to enter the giveaway by February 8, 2016 for a chance to win some of their great products. 🙂 I hope you win so you can make this festive grapefruit-walnut snack cake! The grapefruit cream cheese frosting is NOT to be missed. Enjoy!

one year ago: Caesar Salad with Fried Chickpeas
two years ago: Chili Relleno Casserole
three years ago: Baked Jalapeno Popper-Ranch Dip
four years ago: Fried Eggs on Pesto Parmesan Toast
five years ago: Mini Meatloaf

Grapefruit-Walnut Sheet Cake

  • Servings: 18
  • Print

from a magazine… I think Southern Living 🙂

Ingredients:

for cake

  • 1 Ruby Red grapefruit – zest and juice, divided
  • 1 cup butter, melted and slightly cooled
  • 2 cups all-purpose flour
  • 2 cups sugar
  • 1 teaspoon baking soda
  • 1/2 teaspoon cinnamon
  • 1 cup walnuts, coarsely chopped
  • 1/2 cup buttermilk
  • 2 eggs, beaten
  • 1 teaspoon vanilla

for grapefruit cream cheese frosting

  • 1 – 8 ounce package cream cheese, softened [I used the 1/3 less fat variety – Neufchâtel]
  • 4 tablespoons butter, softened
  • reserved grapefruit zest and juice [from cake, above]
  • 1 teaspoon vanilla
  • 12-16 ounces powdered sugar

Directions:

Preheat oven to 375 degrees F. Grease a 9×13 inch pan with cooking spray and set aside.

Begin by zesting and juicing the grapefruit. You’ll need 3 tablespoons zest [this was about 3/4 of the grapefruit zested for me] and 10 tablespoons of juice [the whole grapefruit–I was actually a wee bit short so I added about a teaspoon or two of water and zested the whole grapefruit to make up for it].

In a small bowl, stir together 8 tablespoons of the grapefruit juice with the melted butter and 1/2 cup water. In a large bowl, whisk together flour, sugar, baking soda, and cinnamon. Add butter mixture, 2 tablespoons zest, walnuts, buttermilk, eggs, and vanilla. Stir until just combined. Pour into prepared pan, then bake for 20-30 minutes, or until a wooden toothpick inserted in the center comes out clean. [Original recipe suggested 20-25 minutes bake time; mine took a full 30.]

Cool completely before frosting, at least 1 hour.

When ready to frost, beat cream cheese and butter with an electric mixer for 1-2 minutes until creamy. Add vanilla, 1 tablespoon zest, and 2 tablespoons juice and beat for 30 seconds to blend. Gradually add powdered sugar until desired consistency is reached, beating on low until blended. Frost cooled cake and enjoy! Store covered in the refrigerator.

Be sure to check out all of the other recipes that are part of #FreshTastyValentines today at the linky below! 🙂

Disclosure: I received a complimentary Better Zester! and Strawberry Tool from Kitchen IQ for my participation in #FreshTastyValentines. However, I was not required to write a positive review and I was not otherwise compensated for this post. The thoughts expressed above are entirely my own. Thanks to KitchenIQ for their sponsorship of this event!

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29 thoughts on “Grapefruit-Walnut Sheet Cake #FreshTastyValentines”

    1. yes, that’s what we called ourselves! at my school, orchestra was just string instruments. flute would have been part of the band. 🙂 i think in recent years the band and orchestra have combined in a few instances though! 🙂 thanks for organizing this event!

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  1. Sharing this with my MiL as soon as possible. She tried to make grapefruit bars (after lemon bars) with her harvest of grapefruits. She was less than impressed. I know she will love these, though.

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  2. I love this idea! And winter is a great time for citrus. As is summer. Really, citrus all the time! Grapefruit is my least favorite variety, but this cake might change my mind.

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