Chocolate and Pistachio Surprise Cake Recipe

Name: Chocolate and Pistachio Surprise Cake Recipe
Prep time: 1 h 5 min
Cook time: 1 h
Total time: 2 h 5 min
Cuisine: American
Ingredients: 270 grams (2 cups) flour; 2 teaspoons baking powder; 1 teaspoon baking soda; 150 grams (2/3 cups) unsalted butter, at room temperature; 300 grams (1 1/4 cups) white sugar; 4 eggs; 1 1/2 cups (3 x 125 ml) plain yogurt or sour cream; 1 1/2 teaspoons vanilla extract; 2 tablespoons unsweetened cocoa powder; 60 grams (1/3 cup) chocolate chips; 2 tablespoons pistachio paste or pistachio butter; 60 grams (1/3 cups) shelled pistachios, chopped; 120 grams (3 ounces) bittersweet chocolate; 125 ml (1/2 cup) whipping cream