Meringue Key Lime Pie


the best ever key lime meringue pie!


Any time I go to a potluck or BBQ and there’s pie I’ve suddenly got blinders on and that’s the only thing I can see. Unless it’s chocolate pie, for some reason that doesn’t get me as much as the fruit pies. Even if it is still delicious. Growing up my mom was famous for her lemon meringue pie(link at the bottom of the post) and Cade is famous for his key lime pie that we make into bars and he learned about in Brazil so I figured, why not combine the two into a meringue key lime pie?


the best ever key lime meringue pie!


Do you all have a Tucanos by you? That’s where Cade and I go every year for his birthday and we have done that since before we even got married. Except this last year when we went to Tucanos one week and Texas de Brazil the next. Mercy. Tucanos is tradition but that Texas de Brazil was DELICIOUS. We loved everything so much! There’s just something so delicious about Brazilian food and Cade claims it’s ten times better in the country.


He says that everything is so fresh and you don’t need gobs of sauces or flavors like the American’s do. For example, he said most of their salads were just dressed with olive oil and a little balsamic vinegar. And the meat. MMmmmm, he says it’s so juicy and flavorful! Anyway, back to the pie! Cade says the Brazilians taught him that the secret to a good key lime pie was to just use a few ingredients. Key limes, sweetened condensed milk, and an egg yolk. That’s it. He also says that most of the time they just pop it into the fridge, but I chose to bake ours for 10 minutes and then refrigerate just to help solidify it.


the best ever key lime meringue pie!


And we almost made a regular pie crust, but last minute I couldn’t resist the ol’ graham cracker crust. It’s just so buttery!!! In fact, I secretly make a little extra (like a tablespoon) and nibble on that! YUM! And have I mentioned what our youngest does with grahams? Yeah, dips them in her water. It’s disgusting but she loves it so much and I guess it doesn’t really hurt anything. If it was milk it would actually make sense to me, but water? EW. Thankfully there was no water dipping action with this pie, and the girls devoured it.


The meringue is actually quite lovely with the brightness of the lime. It’s like tangy, and light and airy all at once. Which means it’s awesomeness. And I think my mom would be quite proud of the meringue. I probably could have doubled it so it would really stand out, but I like balance and since we used a shallow pie dish I decided to hold off on the craziness. But you can do whatever you please and it will be perfect.


What Makes Meringue Shrink?

Over-baking causes the egg whites to shrink and squeeze out small droplets of moisture.

Check your pie at the minimum length of baking time.

Undissolved sugar will also cause meringue to weep or shrink.


How Do I Know When Egg Whites Are Whipped Enough?

Room temperature eggs will whip up more easily.

Begin whipping the egg whites on medium until they are foamy, then increase the speed to high until they are the desired firmness.

Depending on the recipe, you will whip egg whites until foamy, or the egg whites will still be primarily liquid, with some bubbles.

Soft peaks are when the egg whites are now white, will hold their shape in the bowl, and will not slide out if the bowl is tipped sideways.

Firm peaks mean the beaters or whisk can be lifted out of the egg whites, and the peak will stand erect and not bend over.

When egg whites are over beaten, the foam will collapse and become grainy, watery and flat.



Meringue Key Lime Pie

the best ever key lime meringue pie!
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Meringue Key Lime Pie

Prep Time15 mins
Cook Time15 mins
Total Time30 mins
Course: 500+ Best Dessert Recipes
Keyword: dessert, graham cracker pie crust, key lime, key lime pie, meringue, pie, recipe
Servings: 1 pie
Calories: 4216kcal
Author: Sweet Basil


Graham Cracker Crust

  • 1 package graham crackers
  • 5 tablespoons melted salted butter
  • 3 tablespoons of sugar


  • 3 teaspoons lime zest
  • 3 large egg yolks
  • 1/2 cup fresh lime juice
  • 1 14 ounce can of sweetened condensed milk

For the Meringue

  • 3 egg whites
  • 1/8 teaspoon salt
  • 1/4 teaspoon cream of tarter
  • 6 tablespoons sugar


For the crust

  • Preheat the oven to 350.
  • In a food processor, process the crackers into fine crumbs.
  • In a bowl mix them with the sugar and butter and press into a pie plate.
  • Bake for 8-10 minutes. Set aside.

For the filling

  • Heat the oven to 325.
  • In a large bowl, whisk together the lime zest and egg yolks until a very light yellow tinted with green. This will take a minute or two.
  • Whisk  in the sweetened condensed milk until smooth then whisk in the juice.
  • Fill the graham cracker crust and top with the meringue bake for 10-15 minutes or until the peaks turn golden.
  • Allow to cool then place in the fridge for 4 hours.

For the meringue

  • beat egg whites with salt and tarter on high until soft peaks form. add sugar gradually while beating.
  • beat until stiff peaks form.


Serving: 1g | Calories: 4216kcal | Carbohydrates: 659.8g | Protein: 76.6g | Cholesterol: 842.7mg | Fiber: 15g | Sugar: 433.7g
Tried this recipe?Mention @OhSweetBasil or tag #OhSweetBasil!

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Carrian Cheney

Lover of all things beautiful, good and delicious. Wife, mother, friend, foodie.

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2 comments on “Meringue Key Lime Pie”

  1. Thank you for this recipe. It looks almost identical to the one my grandmother passed down, but it gave me the extra details I need, because I am an amateur! I will be making this today for my brother’s birthday. Wish me luck with my first meringue!