Preheat oven to 350 or mini-donut maker to ready.
Pour milk & oats into a small bowl & allow the oats to soak up milk at least 5-10 minutes.
In larger bowl add flour, sugar & baking powder - whisk to combine. Make a well in the center.
Whisk in eggs, then butter.
Add in your oats & milk- whisk until well combined & you have a smooth batter.
Spray donut pans with cooking spray or spray your donut wells in your maker.
Fill 3/4 full with batter.
Bake full size donuts 8-10 minutes mini donuts in maker for 6-7 minutes.
Remove & allow to cool on wire rack.
Repeat until all batter is baked.