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Chocolate Chip Sour Cream Snack Cake

Ingredients

  • 3/4 cup (105 grams) all-purpose flour
  • 1/2 cup plus 2 tablespoons (105 grams) sweet rice flour such as Mochiko
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1 teaspoon kosher salt
  • 1/2 cup 1 stick unsalted butter, softened
  • 1 cup (200 grams) granulated sugar
  • 2 large eggs at room temperature
  • 1 teaspoon pure vanilla extract
  • 1/2 cup plus 1 tablespoon, (150 grams) full-fat sour cream at room temperature
  • 2 tablespoons milk at room temperature

Instructions

  • Position an oven rack in the middle of the oven and preheat to 350 degrees
  • Lightly grease an 8-inch square pan with nonstick cooking spray. Line the bottom with parchment, leaving a 2-inch overhang on the sides (to make it easier to remove the cake after baking) and grease the parchment.
  • Combine the all-purpose flour, sweet rice flour, baking powder, baking soda, and salt in a medium bowl and whisk until combined.
  • Beat the butter in a large bowl with an electric mixer until smooth. Add the sugar and cream the mixture until light and fluffy, 2 to 3 minutes.
  • Scrape down the bowl with a rubber spatula. Add in the eggs one at a time, beating after each addition until combined. Scrape the bowl once more, then beat in the vanilla.
  • Sift half of the dry ingredients over the egg mixture and beat just until combined. Beat in the sour cream and milk, then sift in the rest of the dry ingredients and beat just until the batter is smooth.
  • Fold in the chocolate chips.
  • Spread the batter into the prepared pan, smoothing the surface with a small offset spatula.
  • Sprinkle additional chocolate chips on top. Bake the cake, rotating the pan halfway through, for about 40 minutes, or until a toothpick inserted in the center comes out clean.
  • Let the cake cool in the pan for 20 minutes, then gently loosen the edges with a small offset spatula and carefully transfer the cake to a cooling rack.
  • Cut into squares and enjoy!