Preheat oven to 350°F (175°C). Grease and flour two 8-inch cake pans.
In a bowl, whisk together flour, baking powder, baking soda, and salt.
In another bowl, beat butter and sugar until light and fluffy.
Add eggs one at a time, then stir in vanilla and strawberry puree.
Gradually mix in dry ingredients alternating with buttermilk.
Add pink food coloring if using for a vibrant hue.
Divide batter between prepared pans and bake for 25-30 minutes or until a toothpick comes out clean.
Cool completely before frosting with your favorite strawberry frosting.