Easter Egg Petit Fours (with marzipan)
Serves 22
40 mins prep
30 mins cook
180 mins Resting Time
250 mins total
Marzipan topped grapefruit and masa harina pound cake filled with carrot buttercream and raspberry jam enrobed in a white chocolate poured fondant.
Pound cake with masa harina and grapefruit
Carrot ermine frosting
Poured fondant
Other
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Do ahead
The carrot buttercream can be made a day or two ahead of time and stored in an airtight container at room temperature until needed.
Preheat the oven to 325°F. Grease an 11x17 inch rimmed baking sheet pan and place a sheet of parchment paper in the bottom.
Make the pound cake
In the bowl of a stand mixer fitted with the paddle attachment, or in a large bowl with hand beaters, combine the room temperature butter and granulated sugar. Beat on medium for 3-4 minutes or until the mixture is lighter in color and fluffy.
Add the eggs one at a time, beating in between each addition until fully incorporated. Add the grapefruit zest, grapefruit juice, vanilla extract and sour cream. Beat until incorporated.
In a separate medium bowl, whisk together the flour, masa harina, baking powder and kosher salt. Add these dry ingredients to the wet ingredients in three parts. Mix only until no streaks of dry flour remain. Do not overmix.
Pour the batter into the prepared sheet pan and spread to the edges with an offset spatula.
Bake for 20 minutes, or until a toothpick or metal cake tester inserted comes out clean. Let cool in the pan at least 30 minutes before inverting onto a wire rack to cool completely.
Make the carrot buttercream
Combine flour and sugar in a medium saucepan over medium heat. Whisk and cook for about 2-3 minutes to toast the flour.
Slowly add the carrot juice, whisking to combine, and turn heat to medium-high. Bring the mixture to a simmer, whisking continuously until it is thick and pudding-like. Once simmering, cook for an additional minute.
Transfer to a heat-proof bowl. Cover with plastic wrap so that it is touching the surface without any air bubbles in between to prevent a skin from forming. Let cool in the refrigerator for a few hours or overnight. Alternatively, Spread the mixture onto a sheet pan, cover it in plastic wrap and put it in the freezer for 30 minutes to cool it down faster. Ensure the mixture is completely cool, otherwise it will melt the butter.
Add the room temperature butter to the bowl of a stand mixer fitted with a paddle attachment and mix on high until very light and fluffy, about 3 minutes.
Add the cooled carrot pudding mixture gradually, by the spoonful, while still beating. Incorporating the mixture slowly ensures a smoother consistency.
Add vanilla and salt, and mix until fully incorporated*.
Assemble
With the sheet of cooled cake on a work surface in front of you, make a vertical cut down the center of the cake. With an offset spatula, spread a thin layer of the carrot buttercream from edge to edge covering the whole layer. Be careful not to use too much. Repeat with the raspberry jam. Place the other layer of cake on top.
If using, roll out the marzipan until thin between two sheets of parchment paper. Peel off the top layer of parchment and flip it onto the top of the cake, trimming the edges off.
Place the cake in the freezer for at least 2 hours to stabilize it.
Punch out the eggs
Remove the cake from the freezer and begin punching out egg shapes using a small egg-shaped cookie cutter. Having a small knife handy will help trim around excess bits to get the cutter out. Place the eggs back in the freezer while you make the fondant.
Make the fondant
Gently melt the chopped white chocolate in a heatproof bowl set over a bain-marie (a pan with an inch of water) over medium low heat. Once fully melted, remove to a clean bowl to cool.
Sift the powdered sugar into a large mixing bowl. Drizzle in the corn syrup and hot water. Whisk until smooth. It may take awhile to get the lumps out.
Add the cooled white chocolate and whisk to incorporate. Add a few drops more of hot water, as needed, to get a smooth consistency. Bang the bowl on the counter a few times to release air bubbles. If you still have air bubbles, try smoothing the fondant around the edge of the bowl with a flexible rubber spatula in a back and forth motion.
At this point your fondant is ready, but I like to add a little white food coloring in addition to other gel food coloring to color it. I added white food coloring, dipped a quarter of the eggs in white, then split the fondant into two bowls, coloring one yellow and one blue. I dipped more eggs in those colors and then combined those fondants back into the original bowl to make green. You may need to add more hot water for consistency, but don’t get carried away as it can make it too thin and see-through when it’s poured on.
Coat the petit fours
Prepare a sheet pan with a wire rack on top.
Set an egg into the fondant to coat the bottom then place it on a large fork. Spoon a generous amount of fondant over the egg, letting the excess drip off. Bang the fork with the egg on the side of the bowl to get more off before setting it on the rack to continue dripping. Repeat with all of the eggs.
Add the speckles
Add 1 teaspoon of cocoa powder (I prefer dutch process cocoa for a darker color) to a small bowl and add a few drops of water at a time until a flickable consistency is reached. Use a clean paintbrush and the tines of a fork to flick specks of the mixture onto the petit fours.