01 -
Heat your oven to 175°C (350°F). Take your 9×5-inch loaf pan and smear it with butter then dust with flour so your bread won't stick when it's done.
02 -
Grab a medium bowl and mix your flour, baking powder, baking soda, and salt together. This combo will help your bread rise just right.
03 -
In a big bowl, mix your soft butter and sugar till it's fluffy and pale, about 3 minutes should work. Drop in eggs one by one, mixing after each. Then gently stir in sour cream, lemon juice, and zest till everything's nicely blended.
04 -
Slowly add your dry stuff to your wet mix, folding gently. Don't mix too much or your bread won't be soft and fluffy!
05 -
In another bowl, mix your soft cream cheese, sugar, egg yolk, and lemon juice till it's smooth as silk. This will make those yummy swirls in your bread.
06 -
Put half your bread mix into the pan. Spoon half the cream cheese mix on top in dollops, then swirl with a knife. Add the rest of the bread mix, then the cream cheese, and swirl again to make pretty patterns.
07 -
Pop it in the oven for 55-65 minutes. Stick a toothpick in the middle to check if it's done. Let it sit in the pan for 10 minutes, then move to a wire rack to cool all the way.