Lime Cupcakes

Lime Cupcakes

Vanilla Cupcakes
The one thing I think is VERY important and want to stress is to make sure your ingredients are at room temp. Slice the butter so it warms more quickly, microwave your milk for 20 or so seconds, and set your eggs in warm water for 15 or so minutes before separating. If a little yolk gets in the mix, don't worry about it. If you don't want to waste yolks, use one whole egg. If you hate mayo, use sour cream (I would have, but I didn't have any so I decided to try it out! Mayo works for chocolate cake, right?). Improvisation is a very important and very rewarding part of baking!

1/4 tsp salt
1 1/4 tsp baking powder
1 1/4 c (156 g) flour
6 Tbls (85 g) butter, room temp
3/4 c (149 g) sugar
1/8 c (30 ml) mayo
2 egg whites, room temp
1 tsp vanilla
1/2 c (118 ml) milk, microwaved for 20 seconds to warm slightly

Preheat oven to 350F (175C) and line a cupcake tin.

Combine salt, baking powder and flour and set aside.

Cream the butter and sugar, then add the mayo and mix until well combined. Add whites and vanilla, then beat until combined. Now add the 1/4 c of the milk, then half of the flour mixture, being sure to scrape down the sides of the bowl and mixing just until combined. Add the remaining milk, then the remaining flour mixture, and spoon into liners. Bake for 15-18 minutes.

Makes about 12

Lime Curd

1/2 c (99 g) sugar
1 Tbls lime zest
1/2 c (118 ml) lime juice
2 yolks, light beaten
1/4 c (59 g)butter, sliced

Put the egg yolks into a medium bowl. Set aside.

Put the sugar, zest and juice into a small pan over medium-high heat and bring to a boil, stirring occasionally. Now pour a small amount of the boiling mixture into the egg yolks, whisking continuously until thoroughly incorporated. Continue whisking and adding small amounts until it's all been combined, then pour back into the saucepan and resume cooking over medium-high heat until very thick, 10-12 minutes. It will be like pudding when it's ready.
Now add the butter, whisking until completely melted. Remove from heat, pour through sieve, and press plastic wrap directly onto the surface to prevent a skin. Chill until very cold, about 3 hours.

Swiss Meringue Buttercream
Please click here for a step-by-step guide to making Swiss Meringue Buttercream and troubleshooting tips!

1 c (199 g) sugar
5 egg whites
18 tbls (256 g) unsalted butter, softened slightly and sliced
2 tsp vanilla

Cook the egg whites and sugar over medium heat, whisking constantly, until the sugar is completely dissolved (test by rubbing some between your fingers. If it's completely smooth, it's done). Pour into another bowl (a stand mixer is preferable) and whip on high speed until room temp. Then, on a medium-slow speed, add the butter, waiting until each piece is completely incorporated before adding the next. The buttercream may turn into a soupy curdled mess, but I assure you it will be ok; just beat the crap out of it for a few minutes. It'll come together, and when it does, you should add your vanilla :)

Assembly

Spread a thin layer of lime curd on each cupcake (I learned the hard way that too much will make your icing slide and your table a sticky mess, so don't be too generous!) and frost with an ample amount of buttercream. Sprinkle with lime zest and enjoy!
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