Triple chocolate & orange cake

Ingredients

• 77 grams (2.7 ounces) butter
• 77 grams (2.7 ounces) bitter chocolate
• 77 grams (2.7 ounces) sugar
• 1 large egg
• 1 egg yolk
• 54 grams (1.9 ounces) flour
• 0.5 teaspoon baking powder
• Pinch of salt
• 40 grams (1.4 ounces) thermostable chocolate drops
• Zest of half an orange
• 126 grams (4.4 ounces) dark chocolate
• 40 grams (1.4 ounces) milk
• 20 grams (0.7 ounces) butter
• 190 grams (6.7 ounces) cream (33% fat)
• 4 grams (0.14 ounces) gelatin
• 65 grams (2.3 ounces) milk
• 43 grams (1.5 ounces) sugar
• 50 grams (1.8 ounces) egg yolks
• 215 grams (7.6 ounces) cream (33% fat)
• 6 grams (0.21 ounces) instant coffee
• 6 grams (0.21 ounces) gelatin
• 126 grams (4.4 ounces) orange flavored chocolate
• 150 grams (5.3 ounces) freshly squeezed orange juice
• 49 grams (1.7 ounces) sugar