Key Lime Pie Bars With Vanilla Wafer Crust Recipe (2024)

By Samantha Seneviratne

Key Lime Pie Bars With Vanilla Wafer Crust Recipe (1)

Total Time
45 minutes, plus chilling
Rating
4(2,896)
Notes
Read community notes

Some say that a Key lime’s juice is slightly more floral than that of its more well-known cousin, the Persian lime, the kind you can find in every supermarket and corner deli. Key limes are hard to find, though, so use bottled Key lime juice or conventional lime juice in this easy recipe that's great for a crowd.

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Ingredients

Yield:16 servings

    For the Crust

    • 1(11-ounce) box vanilla wafers
    • 2tablespoons granulated sugar
    • 8tablespoons/115 grams unsalted butter, melted

    For the Filling

    • cup/420 milliliters condensed milk (1 14-ounce can plus ½ cup)
    • 5large egg yolks
    • ¾cup/180 milliliters Key lime or conventional lime juice
    • 1teaspoon lime zest

    For the Topping

    • 1cup/240 milliliters cold heavy cream
    • 1tablespoon confectioners’ sugar

Ingredient Substitution Guide

Nutritional analysis per serving (16 servings)

334 calories; 20 grams fat; 11 grams saturated fat; 0 grams trans fat; 7 grams monounsaturated fat; 1 gram polyunsaturated fat; 36 grams carbohydrates; 0 grams dietary fiber; 21 grams sugars; 5 grams protein; 113 milligrams sodium

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Key Lime Pie Bars With Vanilla Wafer Crust Recipe (2)

Preparation

  1. Step

    1

    Heat oven to 350 degrees. Line a 9-inch square pan with parchment paper, leaving a 2-inch overhang on two sides. In a food processor, combine vanilla wafers and sugar, and pulse until you have fine crumbs. Add butter and process until evenly moistened. Transfer mixture to prepared pan and press it down into an even layer. Bake until fragrant and a shade darker, 15 to 17 minutes.

  2. Meanwhile, prepare the filling: In a medium bowl, whisk together condensed milk, egg yolks, lime juice and lime zest.

  3. Step

    3

    Pour filling over crust (it’s O.K. if it’s still warm) and bake until the filling is set, about 15 minutes. Transfer to a rack to cool completely, then cover and refrigerate for at least 4 hours.

  4. Step

    4

    Use a sharp knife to release edges. Using the parchment overhang, carefully lift and transfer the bar to a cutting board. Just before serving, whip heavy cream and confectioners’ sugar until soft peaks form. Top bars with whipped cream and cut into 16 squares to serve.

Ratings

4

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2,896

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Private Notes

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Cooking Notes

Beverly Kaye

After filling is set and cooled, since you already have the egg whites, why not whip them with some sugar and brown that meringue in the oven in lieu of the whipped cream topping?

lou ann

Sub in ginger snaps and dried coconut for the vanilla wafers, and you’ll take this tothe next level.

Lorry Kennedy

This recipe should specify Sweetened condensed milk... right now it does not.

maggie

In a test kitchen survey, tasters could not discern the difference between key lime and Persian lime juice. I have used both with great results. The bottled option is the least acceptable: fresh is always far superior!

Mamou

This recipe looked great until I got to the extra 1/2 cup of condensed milk. Seriously? I should open TWO cans of condensed milk and only use 1/2 cup from the second can? And do what with the other 10 oz. of condensed milk? Seems so wasteful . . .

BarbinATX

This came out great! I only had one 14oz can of condensed milk, so used heavy cream for the extra 1/4 cup. Made sure not to pack down the vanilla wafer crust too tightly; just spread with spatula and pressed gently with fingers.

JK in ME

You can freeze the leftover sweetened condensed milk.

Cynthia

Hello from Florida, where my key lime trees are dropping a bounty of ripe, yellow (the color of a ripe KL) fruit every day. Made these bars today and all I have to say is OMG!! Made them almost exactly according to recipe but: 1) Upped quantity of filling by 1/3 to accommodate bigger pan; 2) Used 4 times the amount of zest specified, because key limes have a milder flavor and needed the bump of the zest; 3) used only 12 oz of ‘Nilla wafers (size of the box I bought). AMAZING!

maggo

Canned Condensed milk is always sweetened as opposed to evaporated milk.

Alissa

Made this gluten free by using GF cookies in the crust. RAVE reviews. Also, subbed greek plain yogurt for the half can of condensed milk. Made the filling nicely tart!

Margaret

Instead of whipping cream at the last minute, you could go really declassé and bring a can of whipped cream and just squirt some onto each bar after you cut them.

Elizabeth O'Connell

Sorry, you probably hate when people do this, but its so close to my Grandma's recipe: 1/2 pretzels/ 1/2 Ginger snaps for crumb base. You can make this into a pie by using 2 cans of the condensed milk, 6 yolks, 1 cup of juice and all the zest you can find. 25 min at 325 or until set.

Silvia

So I thought I was making this as written, but as soon as I put it in the oven realized I had only put one can of sweetened condensed milk. I left it in the oven for a couple extra minutes, but other than that did nothing else. It still came out great! The only thing I would change is to make a little less crust, we thought it was too thick. Otherwise very tasty, even with "regular" limes and just one can of sweetened condensed milk.

Colleen Barry

Fantastic recipe. Made exactly as written, used regular limes and it was delicious. Rave reviews. I’m sure it would be even better with key limes. The vanilla wafer crust absolutely makes this dessert.

Linda

I made 1-1/2x the recipe in a 13 x 9 pan, using 2 cans of condensed milk (avoiding the annoying part-of-a-can leftover issue). I also noticed 5 eggs in to the 7 I had decided to use that it called for yolks only; 5 whole eggs 2 yolks worked just fine. More lime zest is a good call: really as much as you have the patience to zest is good, since the base is very sweet. People loved these.

Lamb Husks

Made nearly as written but used one commenter's suggestion that ginger snaps instead of 'nilla wafers added pizzazz! It sure did and made about 1/3 more filling than called for, extra luxuriant

jackie

I love this recipe! I’ve made it numerous times over the years and it’s a hit every time. Super easy, delicious, and guaranteed to impress.

mary

Loved this so much. I used graham crackers because that’s what I had. I also increased the key lime juice to a full cup and left out the lime zest. The result was a smooth and tangy dessert. Disappeared almost immediately. Very easy to make, and will be in our regular rotation.

Jessie

Made these with my daughter. Family loved the crust, but felt like the bars were too sweet and not tangy enough despite the extra zest we added. So will try with 1 can of condensed milk next time (though we are enjoying the leftover can with our chai!).

Wm ODonnell

So easy. My wife loves cheesecake and loves Key Lime Pie and this is her lifetime favorite versus either. We skipped the topping and though we're sure it's a fine addition, we loved the bars naked. The Vanilla Wafer crust was a revelation.

holtzer6

Two Kinnikinnick boxes minus about a dozen wafersTwo cans of 7.4 oz each of condensed coconut milk

Zaza C

For those complaining about that extra half cup of condensed milk Eagle Brand makes a 14oz squeeze tube. It lasts forever and you can use it in your bitter bitter coffee.

Drew

One of the best recipes I ever made from NYT - my friends who I made it for still talk about it.

Diane

I just made this a second time - this is a recipe that is open to individual ideas - this time I stirred in a little lime Greek yogurt and two tbsp. softened cream cheese - maybe a little less sweet this time which we prefer.

Diane

Almost a shame to assemble all the ingredients and take the time involved and not use the suggestions here for the 9x13 recipe. And it's so easy to keep these bars in the freezer for another time. I also upped the baking time to 30 mins. YUMMY!

RUTH SHAVER

My grandmother's recipe for the filling (which could make pie, bars, or pudding) doesn't need to be baked: use the lime juice and one can of condensed milk folded together with the same amount of whipped cream as the topping here. Then top with more whipped cream and the lime zest. Perfect for a South Florida dessert any time, especially with key limes picked fresh the same day.

Kara

I also only used one can of condensed milk bc I misread,; turned out great! Extra zest. Actually thought they tasted better after putting whipped cream on and then refrigerating overnight again!

Stefanie

Ran out of condensed milk (300ml) so substituted the balance with (120ml) heavy whipping cream (creme fraîche liquide here in France). Added the white of a single egg's for a fluffier texture. Tart turned out balanced!

Emma F

Made multiple times and they are always a hit. I make them gluten free by using GF shortbread cookies instead of wafers as they are easier to find, just decrease the butter a bit. A little extra zest on top makes them even prettier!

Glenn

Made a stabilized whipped cream - kept nicely in the fridge for a full day... before they all got devoured.

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Key Lime Pie Bars With Vanilla Wafer Crust Recipe (2024)

FAQs

What is the difference between a key lime pie and a Florida key lime pie? ›

The main difference is that it requires more aromatic Key lime juice to make the famous pie sing. It is worth the elbow grease to get that authentic floral Key lime flavor—unless you can't find Key limes. Then swap them out for whatever you see at the grocery store and dig in.

Can I use regular lime juice instead of key lime juice for a key lime pie? ›

Unless you live in the Florida Keys, key limes are near impossible to find. Furthermore, they're so tiny that you'd need to juice at least twenty of them for this recipe. No thank you! Ordinary limes make an exceptional Key lime pie, and they are a much better alternative to bracingly tart bottled Key lime juice.

What causes a key lime pie to thicken? ›

Combining the lime juice with the egg yolks and condensed milk creates a chemical reaction that causes the mixture to thicken all on its own (the acid causes the proteins in the yolks and milk to bond together).

What is key lime pie crust made of? ›

Here's How You Make This Key Lime Pie

Make the Crust: Use a food processor to combine the macadamia nuts and graham cracker crumbs. Combine with melted butter and sugar, then press tightly into a pie dish.

Why is Publix Key lime pie so good? ›

Rather, the key to perfecting the Publix key lime pie is a simple ingredient added to the graham cracker crust. It's not the graham crackers themselves that make the crust special, but rather the unique addition of crushed toasted almonds.

What is a interesting fact about Key lime pie? ›

The sweet and tart pie reportedly originated in Key West, Florida, in the late 19th century. The use of sweetened condensed milk, an essential ingredient, is probably because fresh milk and refrigeration were uncommon in the isolated Florida Keys until the 1930s.

Why is Key lime pie so fattening? ›

Like most desserts, a traditional key lime pie is not particularly healthy. It's loaded with plenty of sugar and its key ingredient (besides lime) is cream. Luckily, with a few tweaks and ingredient substitutions, you can easily make a healthy version!

Why is my Key lime pie runny? ›

The biggest culprit of a runny key lime pie is not letting it chill for long enough. Since this is one of those summer pie recipes that's not baked, chilling the pie helps it set and prevents it from being runny. Be sure to chill it for at least 12 hours!

How many key limes for 1 cup of juice? ›

This can vary depending on the ripeness, size, and juiciness of your fruit, but as a general rule, you will need approximately 18-20 key limes for 1 cup of juice.

Why does my key lime pie have bubbles? ›

If over cooked, even by a few minutes, it will result in a thicker undesired texture. After the 10 minutes you will begin to see little bubbles forming at the surface of the pie.

How to keep key lime pie from weeping? ›

The less time the meringue spends in the oven, the less likely you are to overbake the meringue and cause weeping. Once your pie is finished, store it correctly by covering and chilling it so the meringue will be as beautiful as it was right out of the oven.

What is the best premade pie crust for key lime pie? ›

Mediocre graham cracker crusts are merely sweet, but Keebler's is full of rich honey flavor. This pairs wonderfully with key lime pie filling, perhaps the most famous use of graham cracker pie crust; the tart, zingy lime brings out all the crust's mellow flavor notes.

Why is key lime pie popular in Florida? ›

One theory is that the treat originated from a sponge fisherman. Sponge fishing was a booming business in Florida and rations on the boat like sugar, eggs, canned milk, soda crackers, some nuts, and citrus fruit were cheap. Consequently, the fishermen concocted this tart, sweet treat and brought it on land.

What is the difference between key lime pie and lime pie? ›

In terms of taste, key limes have a higher acidity, making them a little more tart than what we consider "regular limes." This makes them ideal for pairing with sweeter ingredients, hence the ever-popular Key lime pie.

Is Key lime pie the official pie of Florida? ›

The bill failed. Florida statute 15.052, passed in July 2006, designates Key lime pie "the official Florida state pie".

Are key limes from the Florida Keys? ›

Although Key limes are native to South Asia, they were introduced in the Florida Keys in 1838 and became naturalized there, according to the University of Florida, Institute of Food and Agricultural Sciences Extension.

Are Mexican key limes the same as Florida key limes? ›

A key lime, also known as a Mexican lime or West Indies lime, is a type of hybrid citrus fruit commonly grown in the Florida Keys. They typically measure about one to two inches in diameter.

Why are some key lime pies green? ›

Then people who came here from New York, they'd take the Key limes home with them and they'd make the pie for their guests, and they didn't want their guests to think that they were substituting lemons. That's how the green Key lime pies came about, and it was actually the preferred way to do it for a while.”

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