Dada Ayam Isi Jamur

Bahan-bahan (2 porsi)

• 2 x 220g / 7oz chicken breast (, skinless boneless (Note 1))
• 3/4 tsp salt
• 1/4 tsp pepper
• 30 g / 2 tbsp unsalted butter
• 200 g / 7 oz mushrooms (, sliced 3mm (1/8″) thick (~2 heaped cups))
• 2 g arlic cloves (, finely minced)
• 1/2 tsp thyme leaves ((Note 2))
• 2 cups baby spinach ((Note 3))
• 80 g / 3oz mozzarella (, sliced (or other melting cheese))
• 1 tbsp olive oil