Sunday, April 13, 2008

Key lime cupcakes...and how I almost burnt my house down

Posted by kel @ sweet treats at 2:31 PM

Ok, I admit it. I'm a glutton for punishment. I couldn't stay away from the kitchen today so I made some 'key lime cupcakes'. I've made Key Lime Pie before so I thought I'd transform it into a cupcake (ala Banoffee Pie from last week).
I began with a lemon cupcake (I would have made it with lime zest however I didn't have any limes I made do with lemon juice & some lemon butter). I then filled the cupcakes with home-made lime curd and topped it with meringue.

It was at this point I pulled out my trusty blowtorch and nearly proceeded to burn down my apartment. Note to self: keep flame low and AWAY from cupcake liners! Derr!

Key Lime Cupcakes

For cake

125g butter, softened and cubed
3/4 cup caster sugar
2 tbls lemon juice
1 tbl store-bought lemon butter
2 eggs
1 1/2 cups SR flour, sifted
1/2 cup milk

Preheat oven to 180 degrees celsius (160 for us fan forced folk). Cream butter, sugar, juice & lemon butter until smooth and creamy. Add eggs one at a time. Gently stir in half the flour and milk, then add remaining milk and flour. Mix until combined. Spoon into cupcake liners & bake for 14-16 minutes or until lightly browned and cake springs back when lightly touched. Leave cakes to cool on a wire rack.

Lime Curd

Make lime butter several hours in advance to give it time to thicken.

3-4 limes
2 eggs, lightly whisked
3/4 cup caster sugar
125g butter, softened & cubed
1 tsp cornflour

Zest limes & collect two tablespoons of zest. Juice limes until you have 100ml of juice. Place all ingredients in a saucepan & whisk over low heat until the mixture thickens slightly. It's important you don't let it boil - you don't want scrambled eggs in your lime curd! Refrigerate until thickened.


3 egg whites
1/2 cup caster sugar
1/2 tsp cream of tartar

Whip egg whites & cream of tarter together until frothy. Start adding the sugar one tablespoon at a time until it is fully dissolved (you can check by rubbing some of the mixture between your thumb and forefinger - if it feels grainy it needs longer).

Cut holes in top of cupcakes with a sharp paring knife (I actually use a steak knife...but I'm a little kooky).
Fill cupcakes with lime curd.

Spoon a generous dollop of meringue over the top of the cupcake and spread with a small pallet knife. Make peaks with the end of the pallet knife if desired. Fire up the trusty blowtorch and brown the meringue (do this CAREFULLY!)

Note: you can brown these in the oven if you don't have a blowtorch; however I wouldn't recommend peaking the meringue in this case as it may burn the tops instead of browning the whole meringue. Keep the meringue flattish if you're browning them in the oven.

And while we're at it, here's a gift-boxed cupcake...who wouldn't want to receive one of these as a pressie!

Happy caking everyone!

6 comments on "Key lime cupcakes...and how I almost burnt my house down"

CB on Monday, 14 April, 2008 said...

Adorable packaging. Beautiful cupcake! So glad your house is still standing... haha.

kel @ sweet treats on Monday, 14 April, 2008 said...

Thanks Clara! :)

giz on Tuesday, 15 April, 2008 said...

Kind of you to leave the building in tact :). Very cute gift - I would love it.

Kate said...

Ooh, they look so good...
If you're trying to get rid of them bring them along on Saturday...

Melanie Seden said...

Awww.. yours look much better then mine! This is from 500 Cupcakes.. no??

x Melanie

kel @ sweet treats on Sunday, 18 May, 2008 said...

Hi Melanie,

I do have that book but this recipe is my own creation.



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