Red Velvet Mississippi Mud Pie - classic Mississippi mud pie with a Christmas holiday twist by combining red velvet cake and Mississippi mud pie recipe into one gigantic Christmas dessert extravaganza!
Increase oven temperature to 350 degrees.
In a medium saucepan, whisk together sugar, cocoa powder, cornstarch, and salt. Add egg yolks and whisk until combined. The mixture will look like a thick paste. Slowly pour in milk and buttermilk and whisk until well incorporated.
In the chilled bowl of an electric mixer fitted with a chilled whisk attachment, beat cream cheese, sugar and vanilla extract on high. Slowly add in whipped cream and whip until stiff peaks form. Spread whipped cream over chilled pudding layer, working all the way out to the sides. Unmold cake and serve immediately. The cake can also be kept, covered, refrigerated, for up to 2 days.