Preheat oven to 350 degrees F
Spray your donut pans with a non-stick baking spray.
In a large mixing bowl, add together the flour, baking powder, and salt.
Stir to combine. Set to the side.
In a separate bowl, add the milk, sugar, egg, butter, and vanilla. Stir until fully combined.
Add your dry ingredients to the wet ingredients. Stir until combined. Add a bit of red food coloring if desired to be more of a colorful donut.
Add your strawberries and fold into the batter.
Spoon batter into donut pan.
Bake for 9-10 minutes until a toothpick inserted comes out clean. Let cool 10 minutes.
In a medium sized mixing bowl, whisk together the powdered sugar and milk.
Place a piece of foil under the wire rack with the donuts to catch any glaze.
Pour your glaze from the bowl onto the donuts.