Potatoes Au Gratin Recipe adapted from delish Prep Time: 15 minutes Cook Time: 1 hour 30 minutes Serves:  approximately 8  Ingredients *ingredients available at the market 6 russet potatoes, cleaned and peeled* 2 Tablespoon butter, plus more for pan 2 cloves garlic, minced* 1 1/2 cups heavy cream 1/4 cups milk* 1 Tablespoon freshly chopped thyme* Pinch of nutmeg Kosher salt