Given a paragraph about cooking, and a set of conversational question answers about the paragraph, generate a relevant question to the topic of the paragraph. The paragraph has the prefix 'CONTEXT:'. Each conversation question has a prefix `Q:` followed by the answer prefix `A:`.

[Q]: CONTEXT: When I am using skim powdered milk and want more fat, I just replace some of the water in the recipe with heavy cream.Your recipe doesn't have water, it already uses milk and cream. You could replace a little of the milk with cream to make up the difference.However, with all the cream and butter in that recipe, I doubt you would be able to notice the fat missing from the dry milk. I would just use your skim dry milk and not worry about it.  <sep>  Q: What is a good substitute for full cream milk powder in bread making? A: When I am using skim powdered milk and want more fat, I just replace some of the water in the recipe with heavy cream  Q: What if I do not have heavy cream? A: I would just use your skim dry milk and not worry about it 
[A]: What effect does the dairy have on the bread?


[Q]: CONTEXT: I use two types of cutting boards: wood and [soft] plastic. The plastic is for meat, or anything that could ruin a wood cutting board. Wood is for everything else. If you can afford it, try to get an end-grain wood cutting board.Bamboo is a popular choice right now (it's affordable and sustainable), but I don't have any personal experience with it.Most other materials, especially glass, will ruin your knives.  <sep>  Q: Cutting boards: What are some general tips on purchasing and using a cutting board? A: I use two types of cutting boards: wood and [soft] plastic  Q: Which one is better for food safety? A: The plastic is for meat, or anything that could ruin a wood cutting board. Wood is for everything else 
[A]: Which one is cheaper to purchase?


[Q]: CONTEXT: It might be there for body, but more likely for the umami kick that tomato past helps with. I bet you could leave it out with no ill effect...otherwise, try some ketchup. You could also open the small can, use what you need and put the rest in a baggy in the freezer.  <sep>  Q: What can I substitute for tomato paste to thicken a marinade? A: I bet you could leave it out with no ill effect...otherwise, try some ketchup  Q: How will the flavorful be effected if i dont include the paste A: It might be there for body, but more likely for the umami kick that tomato past helps with 
[A]:
Are there any other reasons for tomato paste