Noodles with cheese, cream, and onions are typically durable for 3-5 days when stored in an airtight container in the refrigerator. It is important to ensure that the noodles are properly cooked and the ingredients are fresh before preparing the dish. Additionally, it is important to check for any signs of spoilage, such as an off smell or appearance, before consuming the leftovers. **

Cream cheese is typically durable for 2-3 weeks after opening if stored properly in the refrigerator. Unopened cream cheese can last for about 1-2 months past the sell-by date if refrigerated. It is important to always check the expiration date and look for any signs of spoilage, such as mold or an off smell, before consuming cream cheese. **

Ice cream from the ice cream parlor is typically best consumed within a few days to a week, depending on the storage conditions. It is recommended to store ice cream in a freezer set at the proper temperature to maintain its quality and prevent freezer burn. Over time, ice cream can develop ice crystals and lose its creamy texture, so it is best to enjoy it sooner rather than later for the best taste and texture. **

A cream made of mascarpone and blueberries can typically be stored in the refrigerator for 3-5 days. The mascarpone cheese has a relatively short shelf life, so it's important to consume the cream within a few days to ensure freshness and food safety. It's best to store the cream in an airtight container to help preserve its quality. Always check for any signs of spoilage, such as an off smell or appearance, before consuming. **

Melted ice cream is not safe to consume after it has been left out at room temperature for more than 2 hours. Bacteria can grow rapidly in melted ice cream, leading to foodborne illnesses. It is important to discard melted ice cream if it has been sitting out for an extended period of time to avoid the risk of food poisoning. **

Popsicle ice cream is typically durable for about 6-8 months if stored properly in the freezer. However, it is best to consume popsicle ice cream within 2-3 months for the best taste and texture. After this time, the quality of the popsicle may start to deteriorate. It is important to check the expiration date on the packaging and follow any specific storage instructions provided by the manufacturer. **

Yes, you can mix whipped cream and sour cream together. However, the resulting mixture may not have the desired texture or flavor for all recipes. It is best to use this combination in recipes where a tangy and creamy element is desired, such as in dips or dressings. Experimenting with different ratios of whipped cream to sour cream can help achieve the desired balance of flavors and textures. **

Whipped cream and sour cream can be mixed together, but the resulting texture and flavor may not be ideal for all dishes. The whipped cream is light and airy, while sour cream is thick and tangy, so the combination may not always blend well. It is best to use caution when mixing these two ingredients and consider the overall taste and texture you are trying to achieve in your dish. **