– 1 1/2 cups of all-purpose flour
– 1/2 teaspoon of baking powder
– 1/2 teaspoon of baking soda
– 1/2 teaspoon of salt
– 1/2 cup of unsalted butter, softened
– 1 cup of granulated sugar
– 2 large eggs
– 1/2 cup of sour cream
– 1 tablespoon of lemon zest
– 2 tablespoons of fresh lemon juice
– 1/2 cup of mixed berries (blueberries, raspberries, strawberries)