Preheat the oven to 350°F. Grease and line a 9X15 inch square pan or an 8-inch springform pan. I made mine in a springform pan.
Using a stand mixer, cream the butter and the sugar for five minutes.
½ cup Butter, 1 cup Sugar
Add the eggs, one at a time, and mix after each one. Add the vanilla extract.
4 Eggs, 1 tablespoon Vanilla extract
Using a spatula mix in the flour alternating with the chocolate syrup. Start and finish with the flour. DO NOT OVERMIX.
1½ cup Chocolate syrup, 1 cup All-purpose flour
Fold in the chopped pecans. Bake at 350°F oven for 30-35 minutes. Until an insert comes out clean.
1 cup Pecans
How To Make The Frosting
Mix butter, cream, and sugar in a saucepan over medium-high heat. Stir constantly until it starts boiling and thickening. Bring the heat down to medium and cook for 3 minutes.
½ cup Butter, ½ cup Heavy cream, 1 cup sugar
Remove from the heat and add the vanilla extract and the chocolate chips, stir until the chocolate is melted.
1 cup Semisweet chocolate chips, 1 tablespoon Vanilla extract
Remove the cake from the oven, and let sit on the counter for 5-10 minutes. Pour the hot frosting mixture over the cake, and put the cake in the fridge.