"A fast and easy treat, these microwave blueberry mug muffins are perfect when you just need a small bite of something sweet. Step by step photos...."
INGREDIENTS
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1/4 cup flour ($0.04)
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1 Tbsp brown sugar ($0.02)
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1/4 tsp baking powder ($0.02)
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1/8 tsp salt ($0.01)
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pinch cinnamon ($0.01)
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1/2 Tbsp butter ($0.04)
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2 Tbsp milk ($0.04)
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1-2 Tbsp frozen blueberries ($0.19)