INGREDIENTS
•
1 cup all-purpose flour
•
1/3 cup unsweetened cocoa powder (recommended: Hershey's)
•
1/2 teaspoon baking soda
•
1/8 teaspoon fine sea salt
•
1 stick (1/2 cup) unsalted butter, at room temperature, cut into 1/2-inch pieces
•
3/4 cup creamy peanut butter, at room temperature
•
3/4 cup sugar, plus 1/4 cup
•
1/2 packed cup light brown sugar
•
1 egg, room temperature, beaten
•
1 teaspoon pure vanilla extract
•
1/4 cup blackberry jam