Copycat Starbucks Double Chocolate Brownies

Description:

Ingredients:

1 cup butter, room temperature
1 ½ cup granulated sugar
½ cup brown sugar
2 tsp vanilla extract
4 eggs
1 1/3 cup all-purpose flour
1 cup cocoa powder
½ teaspoon baking soda
½ teaspoon salt, don’t add if you used salted butter
2 3.5 oz Ghirardelli Intense Dark 72% Cacao, Twilight Delight bar