Ingredients
- 1 cup all-purpose flour
- 1/4 teaspoon baking powder
- 1/4 teaspoon baking soda
- 1/4 teaspoon salt
- 1/2 cup softened unsalted butter
- 1/2 cup finely ground sugar
- 1 and 1/3 cups packed light brown sugar
- 1 large egg
- Zest of one lemon
- 1 tablespoon freshly squeezed lemon juice
- 1/2 teaspoon vanilla extract
- 1/4 cup traditional rolled oats
