Preheat oven to 350 F.
Grease a muffin tin with cooking spray, vegan butter or use liners
In a large mixing bowl add sugar and butter, beat, add eggs, beat, then add in vanilla and lemon zest and stir until combined.
In a separate bowl whisk together flour, salt and baking powder, add to wet, pour in oat milk, mix and then fold in blueberries.
Pour batter into muffins tins about 2/3rds full and bake for 30-35 minutes or until the center is set.
Transfer to a cooling rack, cool for 10 minutes and ENJOY :)