Heat oil to 350°F in deep fryer.
Mix flour, sugar, baking powder, and salt together.
Whisk milk, eggs, butter, and vanilla separately.
Combine wet and dry ingredients until just mixed.
Drop spoonfuls of batter into hot oil carefully.
Fry for 2-3 minutes until golden brown.
Remove and drain on paper towels completely.
Beat cream cheese, powdered sugar, and vanilla smooth.
Puree strawberries and mix with powdered sugar.
Add milk to strawberry mixture until smooth.
Fill cooled donut holes with cheesecake mixture.
Dip tops in strawberry glaze and serve.