Heat oven to 350 degrees F. Grease 13 x 9-inch pan.
In large bowl, combine brownie mix and butter; mix at low speed for 45 to 60 seconds or until crumbly. Reserve 1 cup of the mixture in small bowl for topping.
Add milk and eggs to remaining brownie mixture; mix until smooth.
Spread batter evenly in greased pan.
In food processor bowl with metal blade or in medium bowl, combine cream cheese, Marshmallow Creme and coffee powder; process until smooth.
Spread evenly over brownie mixture.
Add walnuts to reserved 1 cup brownie mixture; mix well.
Sprinkle evenly over cream cheese mixture.
Bake at 350 degrees F for 40 to 45 minutes or until edges are firm to the touch.
Cool for 1 1/2 hours or until completely cooled.
Cut into bars.
Store in refrigerator.
Yield: 24 bars
High Altitude Instructions (Above 3500 Feet): Add 1/2 cup flour to dry brownie mix. Bake at 350 degrees F for 45 to 50 minutes.
Nutritional Info Per 1 Bar: Calories 250, Calories from Fat 130, Total Fat 14 g, Saturated 6 g, Cholesterol 35 mg, Sodium 160 mg, Total Carbohydrate 28 g, Dietary Fiber 1 g, Sugars 18 g, Protein 3 g