You might need to buy:
- Butter
- Finely Chopped Onion
- All-purpose Flour
- Milk
- Salt & Pepper
- Dried Oregano
- Diced Ham Or Pork Loin
- Chopped Fresh Parsley
- Topping:
- Homemade Bread Crumbs
- Grated Parmesan Cheese
- Salt & Pepper
- Olive Oil