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  • Writer's pictureTina Huggins

Upside Down Key Lime Pies

Updated: Mar 30, 2021

It's Upside Down
Yummy Upside Down Key Lime Pie!

I love Key Lime Pie and I have a great recipe that isn't as easy as to make as this recipe. There are three things I like about this recipe. Most important is it's delicious! It is easy to make and it serves 4-6 which means no leftovers for me to eat. An extra plus is that I don't have to squeeze a whole bag of small Key Limes. I got this recipe from Sally's Baking Addiction. She has terrific recipes so go visit her site.


  • 3 large egg yolks

  • 2/3 cup (160ml) key lime juice* Kroger's has a Key West Lime Juice in the aisle with tomato juice, peace juice etc.

  • One 14 ounce can regular (not light) sweetened condensed milk

  • 1 teaspoon lime zest

  • hot water for water bath


  • 2 full sheet graham crackers*

  • 1 Tablespoon (15g) unsalted butter

  • 1 teaspoon packed light or dark brown sugar

Optional Toppings

  • whipped cream or meringue, and lime slices


  1. Preheat oven to 350°F (177°C). Lightly grease four 6 ounce ramekins with butter or nonstick spray. See recipe note about other ramekin sizes. Place in a baking pan or small casserole dish. Four 6-ounce ramekins fit nicely into a 9-inch square bake pan. The pies will bake in a water bath inside the pan.

  2. For the filling: In a medium bowl using a handheld or stand mixer fitted with a whisk attachment, beat the egg yolks on medium-high high speed until pale and slightly thickened, about 3-4 minutes. Add the lime juice, sweetened condensed milk, and lime zest. Beat on medium speed until combined. You’ll have about 2 cups of filling so fill each with 1/2 cup of filling. Pour evenly into prepared ramekins.

  3. Add water for water bath: Without splashing into the ramekins, slowly pour hot water into the casserole dish around the ramekins, about halfway up the sides of the ramekins. If it’s easier, you can transfer the casserole dish to the oven first, then carefully pour in the hot water.

  4. Carefully place the casserole dish/baking pan in the oven. Bake until the top of each is mostly set, about 17-20 minutes. I cook mine only 17 minutes. When lightly tapped, the very center should only slightly jiggle. Though not necessary, you can also check the internal temperature. These are safe to eat when an instant read thermometer reads 160°F (71°C).

  5. Using tongs or an oven mitt, remove the pies from the water bath and place on a wire rack set over a baking sheet or kitchen towel to catch any dripping water. Cool pies for about 1 hour at room temperature, then chill in the refrigerator for 1 hour before assembling and serving. You can enjoy at room temperature, but they taste better if you chill in the refrigerator.

  6. Meanwhile, make the crust: As the pies cool, crush up the graham crackers with your hands or place in a zipped-top bag and crush with a rolling pin. Place butter in a skillet on the stove over low-medium heat. Add graham cracker crumbs and brown sugar. Stirring constantly, toast/cook for 4 minutes. Remove from heat and allow to cool.

  7. Assemble & serve: Sprinkle a couple spoonfuls of crust topping on each cooled pie. Before serving, top with whipped cream, meringue, or any desired topping. I used Wilton 8B piping tip to pipe whipped cream in these photos.

If you want to make this a day ahead cover each ramekin without the topping. These can be baked, cooled and then frozen for up to 3 months. Thaw overnight in the refrigerator.

Upside Down Keylime Pie
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