Peanut Butter Biscotti

Name: Peanut Butter Biscotti
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: Italian
Ingredients: 6 tablespoons unsalted brown butter (room temperature); 1/4 cup creamy peanut butter (Jif or Skippy); 1/2 cup granulated sugar; 1/2 cup light brown sugar; 2 large eggs (room temperature); 1 teaspoon vanilla extract; 2 1/4 cups all purpose flour; 1 1/4 teaspoons baking powder; 1/4 teaspoon kosher salt; 1/2 cup crushed peanuts; 2 tablespoons creamy peanut butter (Jif or Skippy); 1/2 cup powdered sugar; 2-3 tablespoons milk (as needed)