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Hidden Heart Cake

PREP TIME
3h
YIELDS
10 - 12 servings

Your guests’ hearts will grow three sizes when you slice into this charming loaf cake and reveal its surprise centre.

Chef’s Note: When measuring flour, we spoon it into a dry measuring cup and level off the excess. (Scooping directly from the bag compacts the flour, resulting in dry baked goods.)

Red and Green Natural Colouring yield: Enough for 1 cake

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Ingredients

Cake

2
cups unsalted butter (4 sticks), at room temperature, plus more for the pan
3 ½
cups all-purpose flour, plus more for the pan (see Cook's Note)
½
tsp fine salt
8
large eggs plus 2 large eggs yolks, at room temperature
2
tbsp milk, at room temperature
4
tsp pure vanilla extract
2 ¾
cups granulated sugar
60
drops red food colouring or Natural Colouring, recipe follows
45
drops green food colouring or Natural Colouring, recipe follows

Glaze & Assembly

1
cup confectioners' sugar
2
tbsp milk
½
tsp pure vanilla extract

Red and Green Natural Colouring

3
tbsp beet juice
2
tbsp beet powder
1
tbsp cocoa powder
3
tbsp matcha powder
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Directions

Notes

Special equipment: a quarter sheet pan (13 by 9 inches); a 2- or 3-inch heart cookie cutter.

Step 1

Place a rack in the lower third of the oven and preheat to 325ºF. Butter and flour a 9-by-4 ½-inch loaf pan and a quarter sheet pan (13 by 9 inches).

Step 2

Sift the flour and salt into a medium bowl; set aside. Whisk the whole eggs, yolks, milk and vanilla together in a medium bowl; set aside. Beat the butter in a stand mixer fitted with the paddle attachment at medium speed until smooth, about 1 minute. Gradually add the granulated sugar ¼ cup at a time until well combined. Turn the machine off and scrape down the paddle and sides of the bowl with a rubber spatula. Continue to beat the butter mixture on medium speed until light and fluffy, about 4 minutes.

Step 3

Turn the machine off and scrape the sides of the bowl again. Turn the mixer to its lowest setting and gradually add in the flour mixture ¼ cup at a time until just combined. Slowly add the egg mixture. Remove the bowl from the mixer, scrape any batter off the paddle and make sure the batter is well combined. (Take care not to over mix.)

Step 4

Divide the batter in half. Fold the red food colouring into one half and the green into the other half with a rubber spatula until no streaks remain.

Step 5

Pour the red batter into the prepared quarter sheet pan and bake until set, but slightly under-baked, about 18 minutes.

Step 6

Turn the cake out onto a parchment-lined surface. Let cool slightly, then cut 12 hearts out of the sheet cake with a 2- or 3-inch heart cookie cutter.

Step 7

Pour enough green batter into the prepared loaf pan to just cover the bottom. Nestle the hearts point-end down in a row down the centre of the batter, so that they snugly fit the length of the pan. Spoon the remaining batter on top and smooth the top with a rubber spatula. Bake until a toothpick inserted into the centre comes out clean and the top springs back when lightly pressed, 50 minutes to 1 hour.

Step 8

For the glaze: Meanwhile, whisk together the confectioners’ sugar, milk and vanilla in a medium bowl to make a thick but pourable glaze.

Step 9

Cool the cake in the pan on a rack set into a rimmed baking sheet, 10 to 15 minutes. Invert the cake onto a plate. Re-invert the cake and set it right-side up on the rack. Pour the glaze over the cake while still warm, allowing excess glaze to drip into the pan below. Allow the cake to cool completely. Slice into the cake to reveal the heart inside.

Step 10

The cake will keep wrapped in plastic wrap at room temperature for 4 to 5 days, and freezes well for up to 1 month.

Step 11

Combine the beet juice, beet powder and cocoa powder in a small bowl and whisk until smooth. Combine the matcha powder with 3 tablespoons water in another small bowl and whisk until smooth. Use the beet colouring in place of red food colouring and the matcha colouring in place of green colouring in the Hidden Heart Cake.

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