Pre-heat the oven to 175 degrees Celsius (350 degrees Fahrenheit) and grease a 12 muffin hole baking mould or use muffin paper cases.
In a bowl combine, oat flour (or blend your oats to make 3 cups of flour), 3/4 cup of sugar, vanilla, baking powder and the rolled oats.
Then add in the hemp seeds, olive oil and the plant milk before mixing it together with a fork.
Add in the frozen blueberries and dark chocolate chips and fold in the muffin batter;
Spoon the muffin batter into each muffin hole and top with extra oats, hemp seeds and dark chocolate chips.
Place in the oven to bake for 20-25 minutes at 175 degrees Celsius. (350 degrees Fahrenheit). Leave them to cool and gently lift them out of the muffin holes.