Death by Chocolate Cake (Print Version)

# Ingredients:

01 - 1/2 cup water (120g).
02 - 1/2 cup granulated sugar (100g).
03 - 1 tbsp dark cocoa powder (6g).
04 - 2 cups all-purpose flour (260g).
05 - 2 cups granulated sugar (400g).
06 - 3/4 cup dark cocoa powder (75g).
07 - 2 tsp baking powder (8g).
08 - 1 1/2 tsp baking soda (9g).
09 - 1 tsp fine salt (6g).
10 - 1 cup warm water (240g).
11 - 1 cup sour cream, room temp (255g).
12 - 1/2 cup vegetable oil (110g).
13 - 2 large eggs, room temp (112g).
14 - 2 tsp vanilla extract (8g).
15 - 1 tsp instant espresso (optional).
16 - 2 cups unsalted butter, room temp (434g).
17 - 1 cup dark cocoa powder (100g).
18 - 1 tsp vanilla extract (4g).
19 - 1/2 tsp fine salt (3g).
20 - 5 cups powdered sugar (625g).
21 - 3/4 cup heavy cream (180g).
22 - 1 1/3 cups melted dark chocolate chips (230g).
23 - 2 cups mini chocolate chips (360g).

# Instructions:

01 - Boil water and sugar, whisk in cocoa powder.
02 - Cool to room temperature.
03 - Heat oven to 350°F. Prepare three 8-inch pans.
04 - Whisk dry ingredients.
05 - Mix wet ingredients separately.
06 - Combine wet and dry just until mixed.
07 - Divide between pans, bake 23-26 minutes.
08 - Cool 15 minutes, then level layers.
09 - Beat butter until smooth. Add cocoa, vanilla, salt. Gradually add sugar and cream. Mix in melted chocolate.
10 - Brush layers with syrup.
11 - Stack with buttercream between.
12 - Cover cake in buttercream. Press chips around sides. Pipe decorations on top.

# Notes:

01 - Components can be made ahead.
02 - Use room temperature ingredients.
03 - Freezing layers helps assembly.
04 - Makes enough for 24 servings.