Instructions

1. Preheat the oven to 350°F. Spray a loaf pan with cooking spray and line the bottom and sides with parchment paper.
2. In a large mixing bowl, combine the flour, sugar, baking powder, and salt. Whisk to combine.
3. Add the eggs, oil, sour cream, milk, and vanilla extract. Beat all the ingredients together until well combined. Set aside.
4. Combine the dry ingredients for the streusel and whisk to combine. Next, add the cold butter. Using a fork or pastry cutter, press the butter together with the dry ingredients until it’s well combined. The mixture should be crumbly but stick together when pressed between your fingers.
5. In the loaf pan, layer half the batter in the pan, then add half the streusel and gently swirl. Add the remaining batter on top and finally, the remaining streusel.
6. Bake at 350°F for 45-50 minutes or until a toothpick inserted in the center of the loaf comes out clean. Cool for at least 1 hour before slicing.