A rich and comforting casserole layered with winter vegetables and a creamy herb sauce, baked until golden and tender.
2 cups Yukon Gold potatoes sliced
1 cup carrots sliced
1 1/2 cups Brussels sprouts halved
1 1/2 cups butternut squash cubed
1 small yellow onion diced
2 cloves garlic minced
3 tablespoons unsalted butter
3 tablespoons all purpose flour
1 1/2 cups whole milk
1 cup heavy cream
1 teaspoon fresh thyme
Pinch of ground nutmeg
1 1/2 cups shredded Gruyere cheese
Salt to taste
Black pepper to taste
Preheat oven to 375°F and grease a baking dish.
Parboil potatoes for 5 minutes then drain.
Sauté onion in butter until soft then add garlic.
Stir in flour and cook briefly.
Whisk in milk and cream and simmer until thick.
Add thyme nutmeg salt pepper and half the cheese.
Combine vegetables with sauce and transfer to baking dish.
Top with remaining cheese.
Cover and bake 30 minutes then uncover and bake 20 to 25 minutes more.
Rest 10 minutes before serving.