Bird's Nest Easter Cake

Ingredients

• 1 tsp salt
• 1 tsp baking powder
• 2 tsp baking soda
• 2 large eggs at room temperature
• 1 3/4 cups all-purpose flour
• 1 cup buttermilk
• 5 cups confectioners' sugar
• 1 3/4 cups granulated sugar
• 1 tsp pure vanilla extract
• 1 1/2 cups unsweetened cocoa powder
• 3/4 cup unsweetened cocoa powder (not dutch processed)
• 1/2 cup vegetable oil (or canola oil, or melted coconut oil)
• 1 cup freshly brewed (strong, hot coffee)
• 2 sticks unsalted butter room temperature
• 5-6 tbsp heavy cream
• 2 tsps pure vanilla extract
• 1/2-3/4 tsp salt to taste
• 1 cup semi sweet chocolate (melted and cooled)