Alfredo Sauce (500 g) typically refers to a standard commercial jar or packet of creamy Italian-style white sauce intended for one family-sized meal (serving roughly 4–6 people). 

Product Characteristics
Base Ingredients: Most retail versions are made with a blend of water, heavy cream (roughly 20%), cheese (usually Parmesan and cream cheese), and butter.
Common Brands: While several brands offer Alfredo sauce, common 450g–500g options include:Leggo’s Alfredo Pasta Sauce
 (490 g): A popular creamy sauce containing Parmesan and Pecorino cheese.
Sidco Foods
 (500 g): A ready-to-use gourmet version made from premium butter and fresh cream.
Bun Maska
 (500 g): A vegetarian white pasta sauce mix found in certain international markets.
Usage: It is most commonly tossed with fettuccine pasta to create “Fettuccine Alfredo,” but can also be used as a base for white pizza, casseroles, or a topping for grilled chicken and roasted vegetables. 

Typical Nutrition (per 100g)
Calories: ~130–150 kcal.
Fat: High content due to dairy (butter and cream), often containing roughly 10–12g of fat.
Serving Size: A 500g container generally provides about 7 servings if used as a light coating (roughly 60–70ml per serving). 

Preparation Tips
Ready-to-Use: For jarred sauces, simply simmer in a saucepan for 2–3 minutes and toss with hot, cooked pasta.
Homemade Equivalent: To make approximately 500g of sauce from scratch, you would typically use 1.5 cups of heavy cream, 4 tbsp of butter, and 1.5 cups of grated Parmeson chess