Step 1 — Bake Red Velvet LayerPreheat oven to 350°F (175°C). Grease and line a 9-inch springform pan. Whisk dry ingredients (flour, sugar, cocoa, soda, salt). Mix wet ingredients (oil, buttermilk, egg, vanilla, vinegar, food coloring). Combine wet and dry until smooth. Pour into pan and bake 20–25 minutes. Cool completely — keep in the pan as the base layer.
Step 2 — Make Cheesecake Layer : Lower oven to 325°F (160°C). Beat cream cheese until smooth. Add sugar and vanilla, mix well. Add sour cream, then eggs one at a time. Pour gently over the cooled red velvet layer. Water Bath Option (Better Texture .Wrap the pan in foil + place in a larger pan filled with hot water halfway up sides. Bake 55–65 minutes — edges set, center slightly wobbly. Cool in turned-off oven 1 hour.
Step 3 — Chill : Remove from water bath, let cool fully. Refrigerate 4–6 hours or overnight to set completely.
Step 4 — Frost With Cream Cheese Icing : Beat cream cheese + butter until fluffy. Add powdered sugar, vanilla u0026 salt. Spread a thin smooth layer over top — thick enough to cover beautifully. Optionally decorate with: Cake crumbs,Chocolate drizzle,Heart sprinkles for occasions