Preheat your oven to 350 degrees. Line the bottom of a spring form cake pan with parchment paper. Spray the pan & paper with cooking spray, or grease & flour it. Set it aside.
In a bowl, combine the flour, baking powder, baking soda, and salt. Set it aside.
In your mixing bowl beat together the butter and sugar until creamy and smooth. Mix in the eggs and beat until airy.
Mix in the vanilla.
Add in half of the flour mixture and mix well.
Add in the sour cream and mix in.
Add the remaining flour mixture and again, mix well. Set this aside for now.
In another bowl, beat together the cream cheese, powdered sugar, and lemon juice until smooth.
Spread half of the cake batter in the bottom of the pan.
Spread the filling over the cake batter.
Spoon the remaining half of the cake batter over the filling, then gently spread it smooth.
In a little bowl, combine the sugar, cinnamon, and pecans for the topping.
Sprinkle these over the top of the cake.
Bake the cake for 45-48 minutes, or until the cake tests done with a toothpick in the center.
Place the pan on a cooling rack and allow it to cool for 10 minutes in the pan.
Run a knife around the edge. Remove the side of the pan and cool the cake completely.