Espresso Nut Blondies - Paula Deen

Ingredients

• 1 pound dark brown sugar (2 1/4 cups)
• 3/4 cup 1 1/2 sticks unsalted butter
• 1 tablespoon instant espresso powder
• 1 tablespoon hot water
• 2 large eggs
• 1 1/2 tablespoons vanilla
• 2 cups All-purpose flour
• 2 teaspoons baking powder
• 1/2 teaspoon salt
• 1 1/2 cups semisweet chocolate chips
• 1 cup toasted walnuts