Melt the chocolate chips and butter over low heat on the stove or microwave for 1-2 minutes and stir until completely smooth. Set aside.
Preheat oven to 350 degrees F.
Add oil, eggs, yolk, vanilla extract, stevia and cream to a stand mixer and mix until combined.
Slowly pour the melted chocolate in the mixer while on low speed.
Add the remaining ingredients and blend until combined.
Line an 8.5 inch square baking pan with parchment paper and pour batter in and bake for 20 minutes. While it's baking make the pecan pie topping.
Pecan Pie Topping
Melt the butter over low heat in a sauce pan on stove or microwave 1-2 minutes until melted. Stir in the Swerve brown sugar, cinnamon, eggs, vanilla and salt. Once all combined stir in the chopped pecans until well coated.
Once the brownies are out of the oven, pour this topping evenly over the brownies and bake for another 20-30minutes or until the center topping is almost set but still a bit jiggly.