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Preheat oven to 400°F (200°C). Lightly spray muffin tins with cooking oil spray.
In mixing bowl, combine flour, baking powder, soda, cinnamon, all spice and salt. Mix to combine well.
In separate large mixing bowl, blend egg until frothy. Stir in all remaining ingredients and blend well to combine.
Add dry ingredients to wet and stir gently until just combined.
Spoon batter into muffin cups and bake for 20 minutes.