Preheat oven to 350ยบ and grease or live a muffin pan with paper muffin liners
combine flours, baking soda, and salt together in a bowl, and set mixture aside
Whisk eggs in a large bowl, then whisk in oil, sugar, and vanilla
Fold in 1/3 of the dry ingredients, and stir together until just combined
Stir in half of the buttermilk
Repeat until dry ingredients and buttermilk are used up
Stir in blueberries
Divide batter between 12 muffin tins. An ice cream scoop is handy for this
Bak in center of oven for 16-18 minutes until muffins are set. A toothpick inserted into the center will come out clean if you avoid hitting a blueberry
Remove from oven and let cool 5 minutes in the muffin tins, and them transfer to a cooling rack to finish cooling