Creamy Mushroom Toast with Egg and Shredded Chicken

Ingredients

• 9 ounces cremini mushrooms (thinly sliced)
• 1 shallot (finely chopped)
• 1 garlic clove (minced)
• 1 tbsp butter
• ½ tsp dried thyme
• ½ cup heavy cream
• ½ cup whole milk
• 1 tbsp potato starch (or corn starch)
• 2 tbsp cheese spread (such as ‘The laughing cow’)
• salt (to taste)
• black pepper (to taste)
• 2 thick slices baguette or ciabatta bread
• rotisserie chicken (or leftover roast chicken, shredded)
• 2 slices tartiflette cheese (like Reblochon)
• 2 eggs
• chopped chives (for serving)