Step 1: Melt Chocolate - Place chocolate chips in a microwave-safe bowl. Heat in the microwave for 30 seconds, stir, and continue in 30-second intervals until smooth.

Step 2: Mix Yogurt and Sweetener - In a separate bowl, combine Greek yogurt, honey or maple syrup, vanilla extract, and salt. Whisk until smooth.

Step 3: Combine Mixtures - Fold the melted chocolate into the yogurt mixture until fully combined.

Step 4: Whip (Optional) - For a lighter texture, whip the mousse with an electric mixer for 1-2 minutes.

Step 5: Chill - Divide mousse into serving cups, cover, and refrigerate for at least 1 hour.

Step 6: Serve - Add toppings of choice before serving to enhance flavor and presentation.