Irish Cream Pistachio Brownies - The BakerMama

Ingredients

• 1 cup (2 sticks) unsalted butter
• 2 cups semi-sweet chocolate chips
• 1 cup granulated sugar
• 1 cup brown sugar
• 2 large eggs
• 1/2 cup Irish cream liqueur
• 1-1/2 cups all-purpose flour
• 1 tablespoon high-quality ground coffee
• 1/2 teaspoon salt
• 1/2 teaspoon baking soda
• 1 cup chopped pistachios
• 1/2 cup (1 stick) unsalted butter, softened
• 2 cups powdered sugar
• 3 tablespoons Irish cream liqueur
• 1/2 teaspoon vanilla
• 1/2 cup chopped pistachios