graph LR
A[Preheat Oven to 350°F] -->B[Whisk Together Dry Ingredients]
B-->C[Add Buttermilk, Oil, Eggs, and Vanilla Extract]
C-->D[Gradually Add Hot Water]
D-->E[Divide Batter Between Cake Pans]
E-->F[Bake for 30-35 Minutes]
F-->G[Cool Cakes Completely]
G-->H[Heat Heavy Cream]
H-->I[Add Chocolate Chips]
I-->J[Stir Until Smooth]
J-->K[Cool and Spread on Cakes]