Mudslide Brownies

Ingredients

• 6 (1-oz.) unsweetened chocolate baking squares
• 1/2 cup plus 2 tablespoon unsalted butter, divided
• 1 cup granulated sugar
• 1 cup firmly packed light brown sugar
• 3 large eggs
• 4 teaspoons espresso powder, divided (we tested with Cafe Bustello)
• 2 tablespoons plus 2 tsp. coffee liqueur, divided
• 1 1/2 cups all-purpose flour
• 1/2 teaspoon salt
• 1 cup chopped pecans, toasted
• 2 tablespoons whipping cream or half-and-half
• 2 tablespoons vodka
• 2 1/4 to 2 1/2 cups powdered sugar
• Garnish: chocolate-covered espresso coffee beans, chopped