Ever get a craving for lemon pie or key lime pie? These Microwave Lemon Bars will totally hit the spot! They take just minutes to make; however, they do need to set in the fridge to cool completely. This post contains affiliate links.
![Title image with microwave lemon bars with powdered sugar and whipped cream on a lemon towel.](https://justmicrowaveit.com/wp-content/uploads/2022/04/Microwave-Lemon-Bars-683x1024.png)
Top them off with a dusting of powdered sugar or a dollop of whipped cream for a delicious lemony treat!
Table of Contents
What do you need to make Microwave Lemon Bars?
- flour
- powdered sugar
- granulated sugar
- lemons
- butter
- eggs
- baking powder
- salt
How do you make these Microwave Lemon Bars?
These go together really quick and easy, but you will need to refrigerate them to chill before cutting them.
Grease an 8 x 8 microwave-safe baking dish or line it with parchment paper.
![A platstic bowl full of a crumbly crust mixture on a wooden background with a lemon towel](https://justmicrowaveit.com/wp-content/uploads/2022/04/microwave-lemon-bars-crust-bowl-1024x576.png)
Combine the flour, sugar, and lemon zest together.
Stir in the melted butter.
Press the mixture into the bottom of the baking dish. I do this with my fingers and then use the back of a measuring cup to press it in nicely.
Microwave on HIGH for 2 1/2 to 3 minutes.
Check to make sure it’s done and firm. If it’s not done, microwave for an additional 30 seconds to 1 minute.
![The microwave lemon bars crust pressed and cooked in an 8 x 8 microwave-safe baking dish.](https://justmicrowaveit.com/wp-content/uploads/2022/04/microwave-lemon-bars-crust-1024x576.png)
Set the crust aside to cool.
Now it’s time to make the filling.
![A glass bowl full of lemon bar filling on a lemon towel.](https://justmicrowaveit.com/wp-content/uploads/2022/04/microwave-lemon-bars-bowl-batter-1024x576.png)
Combine the sugar, lemon zest, eggs, and lemon juice and beat until smooth.
Add the flour, baking powder and salt and continue beating for a couple more minutes.
![The uncooked lemon bar filling in the baking dish for Microwave Lemon Bars](https://justmicrowaveit.com/wp-content/uploads/2022/04/microwave-lemon-bars-batter-pan-1024x576.png)
Pour the filling over the crust and microwave for 3 minutes.
Check the filling to see if it’s done. The middle may jiggle just a tiny bit. If it’s still soupy and not set, then microwave for an additional minute.
![The finished version of the Microwave Lemon Bars still in the baking dish.](https://justmicrowaveit.com/wp-content/uploads/2022/04/microwave-lemon-bars-pan-1024x576.png)
Put the baking dish in the fridge to cool for a few hours or if possible, overnight.
Cut into squares with a hot knife.
You can top these bars a couple of ways:
- Dust with powdered sugar – or
- Make a batch of fresh whipped cream and add a dollop in the center of each square.
Feel free to add additional lemon zest over the powdered sugar and whipped cream.
![Squares of Microwave Lemon Bars on a lemon towel.](https://justmicrowaveit.com/wp-content/uploads/2022/04/microwave-lemon-bar-squares-683x1024.png)
How do you make fresh whipped cream?
I make small batches of fresh whipped cream all the time. You can easily make it in a cereal bowl with a dash of sugar and 1/2 cup of heavy whipping cream.
Just use an electric mixer or a hand egg beater or even a milk frother. Believe it or not, I use the hand egg beater more than anything to make a quick batch in just a minute.
How do you store leftover Microwave Lemon Bars?
I recommend storing any leftovers in a sealed container in the fridge. I usually keep them for up to 3-4 days.
Can you make these Microwave Lemon Bars ahead of time?
I would encourage making them a day ahead since it’s best to let them cool overnight. However, I would wait to dust the powdered sugar or add the whipped cream until you’re ready to serve them.
More Microwave Dessert Ideas
- How to Make Microwave Monkey Bread
- Lemon Mousse Cups with Microwave Lemon Curd
- Simple Microwave Lemon Curd
- Making Microwave Chocolate Chip Cookie Bars
- Pineapple Upside Down Cake in the Microwave
- How to make Cupcakes in the Microwave
![Microwave Lemon Bars](https://justmicrowaveit.com/wp-content/uploads/2022/04/microwave-lemon-bars-fb-735x386.png)
Microwave Lemon Bars
Ingredients
Crust Ingredients
- 1 cup all purpose flour
- 3 tablespoons powdered sugar
- 1 tablespoon lemon zest
- 6 tablespoons butter, melted
Filling Ingredients
- 1 cup white sugar
- 3 tablespoons lemon zest
- 3 large eggs
- 1/3 cup fresh lemon juice
- 1 tablespoon all purpose flour
- 1/2 teaspoon baking powder
- 1/4 teaspoon salt
Instructions
- Grease an 8 x 8 microwave-safe baking dish or line it with parchment paper.
- Combine the flour, sugar, and lemon zest together.
- Stir in the melted butter.
- Press the mixture into the bottom of the baking dish. I do this with my fingers and then use the back of a measuring cup to press it in nicely.
- Microwave on HIGH for 2 1/2 to 3 minutes.
- Check to make sure it's done and firm. If it's not done, microwave for an additional 30 seconds to 1 minute.
- Set the crust aside to cool.
- Combine the sugar, lemon zest, eggs, and lemon juice and beat until smooth.
- Add the flour, baking powder and salt and continue beating for a couple more minutes.
- Pour the filling over the crust and microwave for 3 minutes.
- Check the filling to see if it's done. The middle may jiggle just a tiny bit. If it's still soupy and not set, then microwave for an additional minute.
- Put the baking dish in the fridge to cool for a few hours or if possible, overnight.
- Cut into squares with a hot knife.
- You can top these bars a couple of ways:
- Dust with powdered sugar - or
- Make a batch of fresh whipped cream and add a dollop in the center of each square.
Notes
Feel free to add additional lemon zest over the powdered sugar and whipped cream.
Store leftovers in a sealed container in the fridge.
Nutrition Information:
Yield:
9Serving Size:
1Amount Per Serving: Calories: 244Total Fat: 9gSaturated Fat: 5gTrans Fat: 0gUnsaturated Fat: 3gCholesterol: 82mgSodium: 171mgCarbohydrates: 37gFiber: 1gSugar: 25gProtein: 4g
Any nutritional information on justmicrowaveit.com should only be used as a general guideline. This information is provided as a courtesy and there is no guarantee that the information will be completely accurate.
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