ready in about 45 minutes; serves 60
You might need to buy:
  • •1 1/4 cups all-purpose flour
  • •1/4 tsp baking soda
  • •1/4 tsp kosher salt
  • •1/2 cup granulated sugar
  • •1 tsp pure vanilla extract
  • •1 tsp lemon zest
  • •1 large egg
  • •1/2 cup sour cream
  • •2 cups confectioners’ sugar
  • •2 Tbsp light corn syrup
  • •3 Tbsp whole milk
  • •3 Tbsp unsweetened cocoa