Ingredients
Equipment
Method
- Preheat oven to 350°F (175°C) and line baking sheets with parchment paper.
- In a bowl, whisk together flour, baking powder, baking soda, salt, and cinnamon.
- In a separate bowl, cream butter, brown sugar, and granulated sugar until light and fluffy.
- Add egg and vanilla extract, mixing until fully combined. Mix in sour cream.
- Gradually add dry ingredients to wet ingredients until a soft dough forms.
- In another bowl, combine streusel ingredients until crumbly.
- Scoop cookie dough onto baking sheets, press streusel generously on top.
- Bake for 12–14 minutes until edges are set and centers remain soft.
- Cool on baking sheet for 5 minutes, then transfer to wire rack to cool completely.
Notes
For best flavor, let cookies rest overnight to allow cinnamon and butter notes to deepen.
