Chocolate Tres Leches Cake Recipe

Ingredients

• 1 cup all-purpose flour
• 1 cup sugar, divided
• ½ cup unsweetened cocoa powder
• 1 ½ tsp. baking powder
• 1 tsp. ground cinnamon, optional
• ½ tsp. table salt
• ¼ tsp. cayenne pepper, optional
• 4 eggs, separated
• ½ cup heavy cream
• ⅓ cup canola oil
• 1 Tbsp. pure vanilla extract
• ¼ tsp. cream of tartar
• 1 can sweetened condensed milk (14 oz.)
• 1 can evaporated milk (12 oz.)
• 1 ½ cups heavy cream
• 4 oz. semisweet bar chocolate, finely chopped
• ½ cup sour cream