Method

• Preheat oven 190C Position rack in first rack below centre of oven
• Grease a standard 12 muffin pan or line with paper muffin cups
• Whisk together the flour, baking powder, baking soda, cinnamon and salt in a large bowl
• In a separate bowl, whisk together eggs, sour cream, milk, sugar, oil and vanilla
• Add the wet mixture to the dry mixture and mix together with a few light strokes, just until the dry ingredients are moistened
• Add the berries
• Do not overmix! Overmixing will cause the muffins to be dense, not fluffy
• The batter should not be smooth
• Divide the batter evenly among the muffin tins
• Bake until a risen and golden (17-20 minutes or longer)
• Let cool for 2 to 3 minutes before removing from the pan