Preheat your oven to 350°F. Grease and flour two 9-inch round cake pans.

In a large mixing bowl, sift together the flour, sugar, baking soda, salt, and cocoa powder.

In another bowl, whisk together the oil, buttermilk, eggs, food coloring, vinegar, and vanilla extract until well combined.

Gradually add the wet ingredients to the dry ingredients, mixing with an electric mixer on medium speed until the batter is smooth and well combined.

Divide the batter evenly between the prepared cake pans. Bake for 30-35 minutes, or until a toothpick inserted into the center of the cakes comes out clean.

Allow the cakes to cool in the pans for 10 minutes before turning them out onto wire racks to cool completely.

In a large bowl, beat the butter and cream cheese together until smooth. Gradually add in the confectioners' sugar and vanilla extract, beating until light and fluffy. Add a few drops of pink food coloring and mix until the desired shade is reached.

Place one cake layer on a serving plate and spread a generous amount of frosting on top. Place the second layer on top and cover the entire cake with a thin layer of frosting to create a crumb coat. Refrigerate for 30 minutes.

Apply a final layer of frosting evenly over the cake. Decorate with piped borders, sprinkles, or edible flowers for a personalized touch.

Serve the cake at room temperature for optimal flavor. Accompany with fresh berries or a scoop of vanilla ice cream for an enhanced experience.

Store any leftover cake in an airtight container in the refrigerator for up to 5 days. Allow the cake to come to room temperature before serving again for the best taste.