¼ cup plus 2 tablespoons (90 grams) heavy whipping cream
3 tablespoons (42 grams) unsalted butter
1 tablespoon (6 grams) instant espresso powder
Instructions
Place chocolate in a small heatproof bowl.
In a small saucepan, heat cream, butter, and espresso powder over medium heat, stirring frequently, just until bubbles form around edges of pan. (Do not boil.) Pour hot cream mixture over chocolate; let stand for 1 minute. Stir with whisk until smooth. Use immediately.
Recipe by Bake from Scratch at https://bakefromscratch.com/macchiato-chocolate-tart/