Strawberry Cream Cake

INGREDIENTS

• 1/2 cup (1 stick) unsalted butter, room temperature, plus more for pan
• 1 1/2 cups all-purpose flour (spooned and leveled), plus more for pan
• 2 teaspoons baking powder
• 1/2 teaspoon salt
• 1 cup sugar
• 2 large eggs plus 2 large egg yolks
• 1/2 teaspoon pure vanilla extract
• 1/2 cup whole milk
• 1 pound strawberries, hulled and thinly sliced
• 1 teaspoon unflavored gelatin (from a 1/4-ounce envelope)
• 1 1/2 cups heavy cream