Crock-Pot Key Lime Squares

Crock-Pot Key Lime SquaresI first tried to cook the crust with a little water in the bottom of the crock-pot.  But found that this just made my crust portion doughy.  I then tried it with just crust in a pan set in the bottom of the crock-pot.  This worked great.

crock type bowlcrock type bowl inside the crock-potThe first picture is the bowl I used.  Really any cooking pan that you can use in the oven will work in the crock-pot.  It just needs to fit in the crock-pot and you need to be able to get it out.   The second is this bowl sitting on the bottom of the crock-pot.   Just trying to give you a better visual.

Crock-Pot Key Lime Squares


1 Cup Stick Butter, softened
1/2 Cup White Sugar
2 Cups Flour
7 to 11 Key Limes (depends on how much flavor you want)
4 Eggs
1/4 Cup Flour
1 1/2 Cups White Sugar
Powder Sugar for dusting the tops.


  1. In Medium size bowl, combine the first three ingredients.
  2. This is your crust.
  3. Using a spoon, form the crust on the bottom of a pan.
  4. Remember this pan needs to fit into your crock-pot. This recipe is enough for two crock size pans that will fit in the Crock-Pot.
  5. Set this pan in the bottom of the crock-pot.
  6. Cook on high for 1 hour to 1 hour and 15 minutes. You will see the sides start to turn slightly brown and the center is no longer doughy.
  7. If you have the key-lime portion ready, add it now. If not, remove the lid from the crock-pot until the second part is ready.
  8. In another bowl, add the white sugar and flour.
  9. Mix well,
  10. Next add in the 4 eggs and mix well.
  11. Cut your key limes in half and squeeze the juice out into a separate bowl.
  12. Check the juice to remove any seeds that might of gotten in there.
  13. Add the juice to the mixture and stir well.
  14. Add this mixture evenly between the two pans with the already cooked crust
  15. Place these back in the crock-pot and cook for an additional 35 - 40 minute or until you see the key lime portion begin to puff up and settle.
  16. Remove pan from crock-pot and cool.
  17. Cut cookie size key-lime squares and place onto a plate.
  18. Dust the tops with powder sugar and serve.

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    • Lady Katie says

      Funny that you say that Cindy. I was thinking that after I made these. I would think that you should be able to stack them and then cook them. I guess I now am forced (lol I say forced when it comes to cookies) to make lemon squares and try it out!

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