Mix canola oil and butter, add cocoa and stir until well blended.
Beat eggs with a mixer. Add sugar and vanilla, beat well.
Add flour and salt. Stir in chocolate chips.
Spread evenly in pan, it will make a thin layer.
Bake at 350 degrees for 10 minutes.
Well the brownies bake make the pecan topping.
Topping:
Using an electric mixer, cream Karo syrup and sugar until smooth. Add in eggs and vanilla and beat until combined, then add butter and whiskey. Once mixture is thoroughly combined, fold in chopped pecans and chocolate chips, then pour over brownies. Bake for 30-35 minutes, or until pecan filling is set. A little jiggle is ok.
Let cool completely before cutting*. Top with whipped cream if desired.
Notes
*Please do not cut these while warm! If you need to cut right away stick them in fridge to set for a few minutes.