Strawberry Champagne Cupcakes

Ingredients

• 1 1/2 pounds fresh strawberries, hulled, divided
• 1 1/2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/4 teaspoon kosher salt
• 1/4 cup whole milk, room temperature
• 1 teaspoon vanilla extract
• 1/2 cup unsalted butter, softened
• 1 cup granulated sugar
• 1 large egg, room temperature
• 2 large egg whites, room temperature
• 1/4 teaspoon red food color
• 2 (8 ounce) packages cream cheese, softened
• 2 1/2 cups powdered sugar
• 2 tablespoons champagne
• 1 teaspoon pure vanilla extract