01 -
Heat the oven to 350°F and grease a 9-by-5-inch loaf pan.
02 -
Whisk pumpkin puree, the first egg, brown sugar, oil, sour cream and vanilla in a bowl.
03 -
Whisk the cup of flour with spice, baking powder, baking soda and salt separately.
04 -
Fold the dry mixture into the pumpkin mixture just until combined.
05 -
Beat cream cheese, the second egg, white sugar and three tablespoons of flour until smooth in another bowl.
06 -
Spread two-thirds of the pumpkin batter in the loaf pan.
07 -
Add the cream cheese mixture in an even layer.
08 -
Spoon the remaining pumpkin batter over it and smooth gently.
09 -
Bake, checking from thirty minutes and continuing until a tester in the bread shows no wet batter and the filling reaches 160°F, shielding the top if needed. Rest ten minutes in the pan, then cool on a rack and refrigerate within two hours.