Recipe: Chocolate pecan buttercream cake | Style at Home

Ingredients

• 1-1/3 cups all-purpose flour
• 1-½ tsp baking soda
• ¾ tsp baking powder
• ¼ tsp salt
• ¾ cup cocoa powder
• 1-½ cups granulated sugar
• 1-½ tsp instant coffee
• 1/3 cup boiling water
• ¾ cup buttermilk
• 1/3 cup butter, melted
• 4 Tbsp canola oil
• 2 eggs
• 1 tsp pure vanilla extract
• ½ cup pecans, toasted
• ¾ cup icing (confectioner's) sugar
• 4 egg whites
• Pinch cream of tartar
• 4 Tbsp granulated sugar, divided
• 1-1/3 cups packed dark brown sugar
• 2 cups unsalted butter, diced, softened
• 2 tsp pure vanilla extract
• 3 Tbsp granulated sugar
• ½ cup water
• 4-½ oz dark chocolate, melted
• 4-½ oz white chocolate, melted