Get your walnut brownie fix in minutes with these fudgy microwavable mug brownies.
Microwave chocolate morsels and butter in microwavable coffee mug on HIGH 30 seconds or until melted. Stir. Add remaining ingredients except walnuts; mix well. Gently stir in walnuts.
Microwave on HIGH 45 seconds to 1 minute or until center looks almost set. Let stand 5 minutes before serving.
Caution: Mug may be hot. Use pot holders when removing from microwave.
To Make Multiple Batches: Prepare up to 4 Spiced Fudgy Mug Brownies in the microwave at a time. Or mix and match with these other mug desserts: Cinnamon Butterscotch Chip Mug Cookie or Red Velvet Mug Cake with Pecans and Cream Cheese Frosting.