Melt 1 tablespoon butter in a large saucepan over medium heat.
Add sliced mushrooms and cook until tender, stirring constantly.
Remove mushrooms from the saucepan and set aside.
Make the Sauce:
In the same saucepan, melt 1/3 cup butter over low heat.
Add flour, stirring until smooth.
Cook for 1 minute, stirring constantly.
Gradually add 2 1/2 cups milk, cooking over medium heat and stirring constantly until the mixture is thickened and bubbly.
Add Cream and Seasonings:
Stir in Half & Half, Parmesan cheese, salt, black pepper, and nutmeg.
Cook, stirring constantly, until the cheese melts and the mixture is smooth.
Add Meats:
Stir in chopped chicken and ham.
If the sauce is too thick, add the remaining 1/2 cup milk to reach desired consistency.
Assemble and Serve:
Spoon the creamy mixture into baked puff pastry shells.
Serve immediately.
Alternatively, refrigerate the sauce and gently warm before serving.
Notes / Tips / Wine Advice:
Wine Advice
A Chardonnay pairs well with this dish, as its creamy texture and notes of vanilla and oak complement the richness of the ham and chicken medley.
Adjustments for Gluten-Free and Low-Carb Diets
Gluten-Free:
To make this recipe gluten-free, use gluten-free flour and gluten-free puff pastry shells.
Low-Carb:
To make this recipe low-carb, omit the puff pastry shells and serve the creamy mixture over steamed vegetables or cauliflower rice. Use a low-carb thickener such as xanthan gum in place of flour.Vegetarian: This recipe is not suitable for vegetarians as it contains chicken and ham. To make a vegetarian version, replace the chicken and ham with a mix of additional vegetables such as bell peppers, zucchini, and spinach, and use vegetable broth instead of chicken broth.