Ingredients:
- Cooking spray
- 1/2 cup unsweetened cocoa
- 1 (11.2-oz.) Irish stout beer (such as Guinness)
- 2 1/2 cups (about 10 5/8 oz.) all-purpose flour
- 3/4 teaspoon baking soda
- 1/2 teaspoon kosher salt
- 1 cup (8 oz.) unsalted butter, softened
- 8 ounces semisweet chocolate, chopped
- 2 tablespoons molasses
- 1 1/2 cups granulated sugar
- 3 large eggs
- 1 cup sour cream