- 1/4 cup all-purpose flour
- 3 tablespoons sugar
- 2 tablespoons unsweetened cocoa powder
- 1/4 teaspoon baking powder
- 1/8 teaspoon kosher salt
- 2 tablespoons heavy cream
- 2 tablespoons vegetable oil
- 2 (heaping) tablespoons 3-Ingredient Microwave Caramel Sauce or storebought caramel sauce, divided
- Vanilla ice cream (optional; for serving)
- 1 teaspoon coarsely chopped roasted, salted peanuts
- A 12-ounce microwave-safe mug (preferably thin-walled) or deep bowl
- Mix flour, sugar, cocoa powder, baking powder, and salt in mug. Add cream, oil, and 3 Tbsp. water and mix until smooth. Using a spoon, make a well in the center; spoon half of the caramel sauce into well. Microwave on high 60 seconds. Carefully remove from microwave. Top with ice cream (if desired), peanuts, and remaining caramel sauce. Serve immediately.