Contest-Winning Cookie Dough Brownies

Ingredients

• 1 cup semisweet chocolate chips
• 1/2 cup butter, softened
• 1 cup sugar
• 3 large eggs
• 1 teaspoon vanilla extract
• 1-1/4 cups all-purpose flour
• 1/4 teaspoon baking soda
• 3/4 cup chopped walnuts
• COOKIE DOUGH LAYER:
• 1/2 cup packed brown sugar
• 1/4 cup sugar
• 3 tablespoons whole milk
• 1 cup all-purpose flour