Name: blueberry mug muffin
Prep time: 5 min
Cook time: 2 min
Total time: 7 min
Yield: 1
Ingredients: 1/4 cup flour ($0.04); 1 Tbsp brown sugar ($0.02); 1/4 tsp baking powder ($0.02); 1/8 tsp salt ($0.01); pinch cinnamon ($0.01); 1/2 Tbsp butter ($0.04); 2 Tbsp milk ($0.04); 1-2 Tbsp frozen blueberries ($0.19)