Potato Gratin with Duxelles

Ingredients

• 2 pounds baking potato peeled ()
• 0.3 teaspoon pepper black
• 0.8 teaspoon thyme sprigs fresh chopped
• 1 teaspoon garlic minced
• 2 ounces parmesan cheese divided grated
• 1 teaspoon salt 
• 2.5 cups milk whole
• 0.8 cup duxelles 

Equipment

• bowl
• sauce pan
• oven
• sieve
• baking pan

Directions

1. Preheat oven to 37
2. Combine first 6 ingredients in a medium saucepan over medium heat; bring to a boil. Reduce heat, and simmer 10 minutes, stirring frequently.
3. Drain potatoes through a sieve over a bowl; reserve potatoes and liquid.
4. Arrange half of potatoes in an 11 x 7-inch glass or ceramic baking dish coated with cooking spray.
5. Spread Duxelles evenly over potatoes; sprinkle with 1/4 cup cheese. Top with remaining potatoes.
6. Pour the reserved cooking liquid over potatoes; sprinkle with remaining 1/4 cup cheese.
7. Bake at 375 for 50 minutes or until cheese begins to brown.
8. Let stand 5 minutes.