- To begin with preheat oven to 200°C. 
- Line a muffin pan with silicone or  paper muffin liners. 
- Toss blueberries with 1 tbsp of flour until coated. 
- In a big bowl, sift together flour, baking powder and salt. 
- In a separate bowl, whisk together milk, sugar, yogurt, oil, vinegar and vanilla. Mix well. 
- Pour wet ingredients into dry ingredients bowl. 
- After that add blueberries to muffin batter and fold gently — careful not to over mix! 
- Divide batter equally between muffin liners. This batter suffice to make 12 small muffins or around 10 large muffins. 
- Bake for 5 minutes at 200°C then reduce heat to 190°C and bake for 15-20 more minutes or until muffins derive golden brown color. 
- To check doneness of muffins by inserting a toothpick in the center. It should come out clean. 
- Let it cool for a few minutes. Transfer muffins to a wire rack to cool completely further.