INGREDIENTS
•
6 tablespoons unsalted butter
•
2 cups semisweet chocolate chips
•
2 ounces unsweetened chocolate
•
2 large eggs
•
1 tablespoon instant espresso powder
•
2 teaspoons vanilla extract
•
3/4 cup sugar
•
1/3 cup all-purpose flour
•
1 teaspoon baking powder
•
1/4 teaspoon salt
•
1 cup whole walnut halves
•
1 cup whole pecan halves
•
2/3 cup peanut butter chips, such as Reese's