MISSISSIPPI MUD CÁKE

Prep Time => 15 mins

Cook Time => 45 mins

Totál Time => 1 hr

Course => Dessert

Cuisine => Ámericán

Servings => 12

Cálories => 633

Preheát oven to 350 degrees F. Lightly greáse á 9x13'' báking pán.
In á lárge mixing bowl combine the flour, sugárs, cocoá powder, báking powder, báking sodá ánd sált.
Ádd oil, eggs, vánillá, milk ánd sour creám ánd mix until combined. Reduce speed ánd cárefully pour in the boiling wáter. Beát on high speed for 1 minute to ádd áir to the bátter.
Pour bátter into prepáred pán. Báke for 28-33 minutes, or until á toothpick inserted in the center comes out cleán.
Remove cáke from oven ánd sprinkle márshmállows áll over the top of the hot cáke, completely covering it.
Return to oven (át 350 degrees F) for 2-3 minutes or until the márshmállows áre just slightly puffed ánd melted.
Állow cáke to cool completely before drizzling frosting on top.

Melt butter in á smáll sáucepán over medium-high heát.
Ádd milk ánd cocoá powder ánd whisk well. Cook for ábout 2-3 more minutes, stirring constántly.
Remove from heát ánd stir in vánillá ánd powdered sugár. Use án electric mixer to máke the frosting smooth.
Drizzle wárm frosting immediátely over cáke. Refrigeráte cáke for ábout 30 minutes or until frosting hás set. Store át room temperáture.