Name: Cinnamon Nut Swirl Mug Cake
Prep time: 5 min
Cook time: 1 min
Total time: 6 min
Ingredients: 1/4 cup all-purpose flour ($0.03); 1 Tbsp brown sugar ($0.04); 1/4 tsp baking powder ($0.01); 1/8 tsp salt ($0.01); 1/8 tsp cinnamon ($0.02); 1 Tbsp chopped pecans or walnuts (optional) ($0.16); 1/2 Tbsp butter, melted ($0.03); 2 Tbps milk ($0.04); 1/2 Tbsp butter, melted ($0.03); 1 tsp brown sugar (0.02); 1/2 tsp cinnamon ($0.05); 1 Tbsp powdered sugar ($0.01); 1/2 tsp milk ($0.01)