Ingredients
Equipment
Method
- Preheat oven to 350°F (175°C). Line or grease a standard loaf pan.
- In a bowl, whisk flour, baking powder, baking soda, salt, and cinnamon.
- Cream butter, granulated sugar, and brown sugar until light and fluffy.
- Add eggs and vanilla extract, mixing until fully incorporated.
- Mix in sour cream. Alternate adding dry ingredients and milk until just combined.
- Combine brown sugar and cinnamon for the swirl.
- Layer half the batter in the pan, sprinkle cinnamon swirl, top with remaining batter.
- Mix streusel ingredients until crumbly and sprinkle over batter.
- Bake 50–55 minutes until a toothpick comes out mostly clean.
- Cool 15 minutes in pan, then transfer to wire rack to cool completely.
Notes
For extra flavor, add chopped nuts or drizzle with vanilla glaze after cooling.
