Indulge in a delicious blueberry mug cake, made with just 4 simple ingredients and a microwave! No eggs, no mess, and ready in minutes. Get the full recipe and more mug dessert ideas: https://youtu.be/lVhepUcIOhI Ingredients: • 1/3 cup flour • 1/2 tsp baking powder • 2 tbsp sugar • 1/4 cup milk