If your weight is in a healthy range, no problem with the peanut butter sandwich. If you are overweight , then you should take a look at all the foods you eat. When you say custard, I assume that eggs are added to the milk and sugar to make the custard. Whether you use eggs or egg substitutes depends on your cholesterol. If your cholesterol is above 200 and you eat more than 4 egg yolks per week, then I would change the custard recipe to an egg substitute.
Answer is the same as peanut butter sandwich above.
Actually, now that you are older than 60 and a male, your risk of a heart attack is lower. Generally, cholesterol levels are less important for persons 60 and older. You can also choose to lose 1 or 2 pounds per week to get to a healthy weight and adjust the percent fat. Don't forget to exercise . It was 347.