Pumpkin Cheesecake Bars with Streusel

Step 1
Preheat oven to 350 degrees F (175 degrees C). Line a 11×15-inch baking pan with aluminum foil.

Step 2
Combine flour, baking soda, salt, and brown sugar in a bowl. Cut in butter using a pastry blender or 2 forks until crust mixture is crumbly. Press 2/3 of the mixture evenly into the prepared baking pan. Reserve remainder for the streusel topping.

Step 3
Bake crust in the preheated oven until lightly browned, about 15 minutes. Let cool, about 10 minutes.

Step 4
Combine cream cheese, pumpkin puree, and white sugar in a bowl; beat with an electric mixer until smooth. Beat in eggs one at a time. Stir vanilla and pumpkin pie spice into the filling mixture. Pour over the cooled crust.

Step 5
Mix reserved crust mixture and walnuts together in a small bowl make streusel topping. Sprinkle streusel topping over the filling.

Step 6
Bake in the preheated oven until filling is set, 40 to 45 minutes. Refrigerate until firm, at least 2 hours. Cut into bars.