Preheat oven to 350°F (175°C). Grease a donut pan.
In a large bowl, whisk together flour, sugar, baking powder, and salt.
1 1/2 cups all-purpose flour, 1/2 cup granulated sugar, 1 1/2 teaspoons baking powder, 1/4 teaspoon salt
In a separate bowl, whisk together milk, egg, melted butter, and vanilla extract.
1/2 cup milk, 1 large egg, 2 tablespoons melted butter, 1 teaspoon vanilla extract
Gradually add the wet ingredients to the dry ingredients, mixing until just combined. Do not overmix.
1 1/2 cups all-purpose flour, 1/2 cup granulated sugar, 1 1/2 teaspoons baking powder, 1/4 teaspoon salt, 1/2 cup milk, 1 large egg, 2 tablespoons melted butter, 1 teaspoon vanilla extract
Transfer the batter to a piping bag or a large Ziploc bag with the corner snipped off. Pipe batter into each donut cavity, filling about two-thirds full.
Bake for 10-12 minutes, or until a toothpick inserted into the center comes out clean.
Let the donuts cool in the pan for a few minutes before transferring them to a wire rack to cool completely.
In a small bowl, whisk together powdered sugar and strawberry puree. Add milk, one tablespoon at a time, until you reach your desired glaze consistency. If desired, add red food coloring for a more vibrant color for your Valentine's Day Strawberry Donuts.
1 cup powdered sugar, 2 tablespoons strawberry puree, 1-2 tablespoons milk, Red food coloring
Dip each donut into the glaze, covering the top.
1 cup powdered sugar, 2 tablespoons strawberry puree, 1-2 tablespoons milk
Immediately sprinkle with strawberry sprinkles, if desired.
Strawberry sprinkles
Enjoy! Let the glaze set slightly before serving and thoroughly enjoy your Valentine's Day Strawberry Donuts.