Ingredients

The following ingredients have 12 Servings
  • 1/2 cup (57g/2 ounces) all-purpose flour
  • 1/4 cup (50g/1 and 3/4 ounces) granulated sugar
  • 1/2 teaspoons ground cinnamon
  • 1/8 teaspoon salt
  • 1/4 cup (57g/2 ounces) unsalted butter, melted
  • 1/3 cup (50g/1 and 3/4 ounces) granulated sugar
  • 1 and 1/2 teaspoons ground cinnamon
  • 3 cups (361g/12 and 3/4 ounces) all-purpose flour
  • 3 teaspoons baking powder
  • 1/2 teaspoon ground cinnamon
  • 1/2 teaspoon salt
  • 1/2 cup (113g/4 ounces) unsalted butter, at room temperature
  • 1 cup (198g/7 ounces) granulated sugar
  • 1/4 cup (53g/1 and 7/8 ounces) light brown sugar, packed
  • 2 large eggs plus 1 egg yolk, at room temperature
  • 1 and 1/2 teaspoons vanilla extract
  • 1/2 cup (113g/4 ounces) buttermilk
  • 1/2 cup (113g/4 ounces) full-fat sour cream
  • 1 cup (113g/4 ounces) confectioners' sugar, sifted
  • 2 to 3 Tablespoons buttermilk
  • 1 teaspoon vanilla extract
  • 1/8 teaspoon salt

Instruction