Creamed Spinach and Wild Rice Casserole

Bahan-bahan (6 porsi)

• 2 tablespoons extra virgin olive oil
• 2 medium yellow onions, thinly sliced
• 4 -5 cups baby spinach/chopped kale
• 2 cups sliced cremini mushrooms ((optional))
• salt and black pepper
• 2 tablespoons salted butter
• 2 cloves garlic, chopped
• 2 tablespoons fresh thyme leaves
• 2 tablespoons fresh chopped sage
• 1 teaspoon poultry seasoning
• 1/2 teaspoon cayenne pepper
• 6 ounces cream cheese, softened
• 1 cup heavy cream
• 1 cup milk
• 4 cups cooked wild rice
• 1 1/2 cup shredded Gruyère cheese