Is there a sub for tomato paste?

Yes, there is a subreddit dedicated to tomato paste recipes and tips. You can find it at r/tomatopaste. It has over 8,000 members and is a great place to find recipes, tips, and advice on using tomato paste.

Can I substitute ketchup for tomato paste?

You can substitute ketchup for tomato paste, but it will affect the flavor of the dish. Ketchup is much sweeter than tomato paste, so it may make the dish too sweet. Additionally, the texture of ketchup is much thinner than tomato paste, so it may not provide the same consistency to the dish. If you do decide to substitute ketchup for tomato paste, start with a small amount and adjust to taste.

How many tomato is the equivalent to tomato paste?

The equivalent of one 6-ounce can of tomato paste is about 10 to 12 plum tomatoes, depending on the size. To substitute tomato paste for fresh tomatoes, use 3 tablespoons of tomato paste for each large tomato.