1. 1. Preheat the oven to 375°F (190°C).

2. 2. Remove the stems from the button mushrooms and finely chop them.

3. 3. Cook couscous according to package instructions and let it cool.

4. 4. In a bowl, mix the cooked couscous, chopped mushroom stems, and grated cheese.

5. 5. Stuff each mushroom cap with the couscous mixture.

6. 6. Place the stuffed mushrooms on a baking sheet.

7. 7. Bake in the preheated oven for 15-20 minutes, or until the mushrooms are tender and the cheese is melted.

8. 8. Serve hot and enjoy!