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Banana Chocolate Chip Upside-Down Cake

When I originally developed this recipe, as mentioned, I was writing for a magazine that requested low-fat recipes, hence the single egg white. But if you’re not all that concerned, simply add an additional egg, yolk and all, and reduce the sour cream by one tablespoon. If you live somewhere where sour cream isn’t available, you can use buttermilk, plain whole milk yogurt, or fromage blanc. You’ll notice that you can use either butter or water in the topping. If you’re skeptical, I can honestly say that both versions are very good.

For the topping:

  • 1/3 cup plus 2 tablespoons (60g) packed dark brown sugar
  • 2 tablespoons water or butter, cubed, at room temperature
  • 3-4 ripe medium bananas
  • a few drops of lemon juice

For the cake:

  • 1 1/2 cups (210g) flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 teaspoon ground cinnamon
  • 3/4 cup (150g) granulated sugar
  • 2 tablespoons (30g) melted butter, salted or unsalted
  • 1 large egg
  • 1 large egg white
  • 1 cup (250g) banana puree, about 2 bananas
  • 1/2 cup (120g) sour cream, regular or low-fat
  • 1/2 teaspoon vanilla extract
  • 1/2 cup (80g) chocolate chips or chopped bittersweet or semisweet chocolate
  • To make the topping, place the brown sugar and water or butter in an 8-inch (20cm) square cake pan. Warm the pan directly on the stovetop over low heat, stirring until the sugar is thoroughly moistened.
  • If using water, simmer the mixture for about 45 seconds. If using butter, stir just until the sugar is moist and bubbling, then remove from heat. (It won’t melt completely smooth, and there may be a few bare spots, which is normal.) Let cool to room temperature.
  • Peel and slice the bananas in 1/4-inch (1 cm) slices. (Tip: Slicing them on the diagonal will give you better coverage with the bananas.) Arrange the slices in slightly overlapping rows over the melted brown sugar. Sprinkle with a few drops of lemon juice.
  • Preheat the oven to 350ºF (180ºC).
  • Whisk together the flour, baking powder, baking soda, salt, and cinnamon in a large bowl, making sure there are no lumps. Mix in the granulated sugar.
  • In a small bowl, mix together the butter, egg, egg white, banana puree, sour cream, and vanilla.
  • Make a well in the center of the dry ingredients and stir in the wet ingredients until almost combined. Do not overmix. Gently fold in the chocolate pieces.
  • Scrape the batter into the pan over the bananas, then use a spatula to carefully spread the batter over the sliced fruit.
  • Bake for 35-40 minutes, or until the cake feels just set in the center when you touch it.
  • Cool the cake for about 20 minutes, then run a knife along the edges of the cake to help it release from the pan. Invert the cake onto a serving platter.

Notes

Serving: The cake is best served warm with whipped cream, vanilla ice cream, or by itself as a snack. If made an hour or so in advance, it can be inverted on the serving platter, and left with the cake pan over it, to keep it warm. Otherwise is can be rewarmed in a low over, covered with foil. Or enjoyed at room temperature.
Storage: The cake can be made up to two days in advance, although like most cakes, it is best the day it’s made.