Grapefruit Coconut Pie

Apparently there’s a theme with my challenges here this month…having no clue whatsoever what to do, then nervousness, then making it through, and then having a good but not-quite-as-amazing-in-my-head outcome.  Enter this month’s Monthly Ingredient Challenge with coconut as our ingredient, and it was the same thing.

A few months ago, we brought home bagfuls of HUGE and juicy Ruby Red grapefruits picked fresh from Matt’s grandmother’s place down in the Rio Grande Valley.  These things are amazing, and they’re a family favorite.  After juicing what we just couldn’t eat anymore, I got the idea that, hey, why couldn’t I make a pie with grapefruit juice the same way I make a key lime pie with key lime juice??  While I was thinking of what to make out of coconut, it hit me that it’d probably go pretty well with that grapefruit pie experiment I’d been thinking about!

Yum!! The perfect summery pie, with sweet coconut and a slight zing of grapefruit juice all in a buttery crumb crust!

These grapefruits man…I juiced, and I juiced, and I juiced some more.  That 1.5 cups came from just one of these guys!  Like with the key limes, I freeze the juice in 1/2 cup containers so I can pull little batches out to make stuff with as needed.

Yum!! The perfect summery pie, with sweet coconut and a slight zing of grapefruit juice all in a buttery crumb crust!

I prepared this pie just as I do my key lime pie, browned butter crumb crust and all.  Using the same amount of grapefruit juice as I would key lime juice.

Yum!! The perfect summery pie, with sweet coconut and a slight zing of grapefruit juice all in a buttery crumb crust!

I made the filling the same way, just adding sweetened coconut flake to the filling too.  Although, here is where things got a little wonky.  The grapefruit juice must not be quite as acidic as the lime juice because the filling didn’t thicken as it usually does with the limes.  I added a couple of tablespoons of cornstarch to help it along :/

Yum!! The perfect summery pie, with sweet coconut and a slight zing of grapefruit juice all in a buttery crumb crust!

I baked these just a little longer than the key lime pies to give them just a little more time to set.   I made two pies so that I could a) test out the two meringue topping variations in Joy of Cooking, and 2) to see which type of pan worked best, springform or pie.  Springform was much easier to get the pieces out of than the pie pan, but the filling did leak out of it since it was so liquidy so I put mine on a cookie sheet when I baked it.  But all in all, I’d say springform still.

Yum!! The perfect summery pie, with sweet coconut and a slight zing of grapefruit juice all in a buttery crumb crust!

While the pie was baking, I made my very first meringue topping a la Joy of Cooking (of course).   I made both variations, stabilized and non-stabilized, to see which worked best but will be doing another post about all of that (hint: stabilized of course worked better).  I think making anything involving whipping egg whites or cream is so much fun, it’s just pure chemistry right in front of you!

Yum!! The perfect summery pie, with sweet coconut and a slight zing of grapefruit juice all in a buttery crumb crust!

Like I said, I had the best results with the springform pan (minus some leaking) and the stabilized meringue topping.  I’d love to make this again with a coconut-y whipped cream on top though!

Yum!! The perfect summery pie, with sweet coconut and a slight zing of grapefruit juice all in a buttery crumb crust!

You can see towards the middle where the filling saturated the crust but it still tasted great of course!  There isn’t as much tartness with the grapefruit juice as there is with lime juice, it’s just a very subtle hint of it, so the pie is much more sweet than a key lime pie would be.  But I think it works great with the coconut!  Kind of a coconut cream-key lime pie hybrid :)

I’m so happy I finally took the chance to play around with this idea, and am happy that we got coconut this month because I love it’s addition to this pie!

Yum!! The perfect summery pie, with sweet coconut and a slight zing of grapefruit juice all in a buttery crumb crust!

Coconut Grapefruit Pie

Coconut Grapefruit Pie

Yield: 8 slices
Prep Time: 30 minutes
Cook Time: 30 minutes
Total Time: 1 hour
Light, tart, and sweet all in one...just perfect for summer!

Ingredients

  • brown butter crumb crust
  • 1 can sweetened condensed milk
  • 4 egg yolks, save the whites
  • 1/2 cup grapefruit juice
  • 1/2 cup sweetened coconut flake
  • 3-4 drops red food coloring, optional
  • 2 tbsp cornstarch
  • 1 tbsp cornstarch
  • 1 tbsp sugar
  • 1/2 cup water
  • 4 egg whites
  • 1/2 tsp vanilla, I use vanilla bean paste
  • 1/4 tsp cream of tartar
  • 1/2 cup sugar

Instructions

  1. Prepare browned butter crumb crust, let cool completely
  2. Prep meringue ingredients while the crust is cooling
  3. In a large bowl or stand mixer, combine sweetened condensed milk, egg yolks, grapefruit juice, coconut flake, and food coloring
  4. Mix on medium until well blended.
  5. Pour into cooled crust and bake at 325 for about 10 minutes.
  6. While the pie is baking, prepare your meringue topping:
  7. In a small saucepan, mix 1tbsp cornstarch with 1tbsp sugar
  8. Slowly stir in the 1/3 cup of water until evenly combined.
  9. Turn the heat to medium and while constantly stirring, bring to a boil or until it quickly thickens then remove from heat and cover.
  10. In another clean and dry bowl, beat egg whites on medium until foamy.
  11. Add vanilla and cream of tartar until peaks form.
  12. Slowly add sugar while beating, again until peaks are stiff.
  13. On low speed, gradually mix in the paste.
  14. Mix on high for a couple more minutes.
  15. Apply meringue to the pies right when they come out of the oven.
  16. Put them back in the oven and bake another 10 minutes or until meringue is just barely golden.
  17. Let cool completely and store in fridge.
  18. Sprinkle coconut flakes on top!

Notes

Filling adapted from Joy of Cooking key lime pie recipe
Meringue recipe is from Joy of Cooking

 

 

end of post - stay awhile

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12 thoughts on “Grapefruit Coconut Pie

    1. I’ve been scared of doing meringues for years but figured this pie was as good a time as any to finally try them. They really weren’t as difficult as I worked them up to be, and while they were both good, there were some differences between the two. I figure it may help others trying to decide which version to go with :)

  1. Guess a lot of people are scared of meringues.. you open a recipe and they tell you how perfectly clean the bowl should be, don’t you dare mixing some yolk in there ;D exactly when you should add the sugar and what not. But it’s really not that big of a deal :) And now that you tried it (quite successfully as we can see) you are free to experiment as much as you want :v

    1. Exactly!! I used to be scared of the humidity down here too and thought I could only attempt stuff like this in the winter when it’s drier :) But they’re really not that finicky and I look forward to playing around with it more!

  2. What a delicious looking pie, Emily! Sounds amazing! And wow! I can’t believe the juice you get from just one! Thanks for sharing, friend! Hope summers off to a great start!

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