Sunday, December 21, 2014

Marbled Birthday Cupcakes

This year, my Winter Solstice seven-year-old son was eager to help bake his birthday cupcakes. We decided on chocolate and vanilla marbled ones (no need to give a bunch of bouncing seven year olds too many choices). We adapted this marble cake recipe from Chocolate and Zucchini, and my son laboriously transcribed the ingredient list, increased by 50% to ensure sufficient cupcakes for his party.

He distributed the first layer of vanilla batter,

helped mix in melted chocolate for the top layer,

and marbled the two with a skewer. 

The resulting cupcakes were just big enough to hold seven candles for the afternoon festivities, and just plentiful enough for a second afterdinner wish.

Marbled Cupcakes
adapted from Chocolate and Zucchini, makes 18-24 cupcakes

150 grams (7 ounces) good-quality bittersweet chocolate
6 eggs
330 grams (2 cup plus 4 tablespoons) sugar
3/4 cup yogurt or buttermilk
330 grams (3 1/3 cups) flour
3 teaspoons baking powder
180 grams (a little less than 13 Tbsp) unsalted butter, melted and cooled
pinch of salt
1 1/2 teaspoon pure vanilla extract

1. Preheat the oven to 330°F.

2. Melt the butter in the microwave, and set aside to cool. Melt the chocolate in the microwave, and set aside. 

3. Combine the flour with the baking powder and pinch of salt and set aside.

4. By hand or in a mixer, beat together the eggs and the sugar until frothy. Add in buttermilk and whisk to combine. Combine in the flour mixture and then incorporate the melted butter and the vanilla, without over mixing. 

5. Line 18 to 24 muffin tins with paper muffin cups. Scoop a soup spoon of batter into each cup, using half of the batter. Mix the melted chocolate into the remaining batter. Scoop a soup spoon of the chocolate batter into each cup. The cups should be about 3/4 full. Using a skewer, pierce each mound of dough and give it a quick swirl to create the marbling.

6. Bake for 25-28 minutes until a clean skewer comes out clean.

Note: we made 18 cupcakes (our household's muffin tin capacity) and had batter leftover for a mini cake, so I think one could stretch this recipe to 24 cupcakes. 

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