Since you all liked my last mug cake video, I had to make another!! This is an yummy coffee cake with a delicious and crumbly brown sugar topping. Takes less than 5 minutes to eat and will satisfy your dessert cravings! Give it a shot and enjoy!!Cake:1 tbls butter1 tbls sugar1 eggdrop vanilla extract1/4 cup flourpinch baking powderpinch saltTopping:1 tbls butter2 tbls flour1 tbls brown sugar1/2 tsp cinnamon1. Soften the butter in the mug and mix in the sugar using a fork. Beat in the egg. Add the vanilla, flour, baking powder and salt. Combine and set aside.2. In a small bowl, using your fingers, pinch together the butter, flour, sugar and cinnamon to make a faux crumble.3. Microwave for about 60-70 seconds. And enjoy!