I would use at least 60 cups
4 cans of spaghetti sauce will be needed
Somewhere between 100 and 125 cups in 60 lbs of sauce
There are 250 grams in 1 cup of Ragu traditional spaghetti sauce. This sauce can be used to make Lasagna, Spaghetti Bolognese or Napolitano.
When cooked (no butter or sauce yet added), there are:approx 570 calories in 3 cups of fresh spaghetti (15 oz in 3 cups total)approx 660 calories in 3 cups of enriched spaghetti (15 oz in 3 cups total)approx 525 calories in 3 cup of enriched whole wheat spaghetti (15 oz in 3 cups total).For the calories in spaghetti by the ounce or portion size, which you can use as a general guide, see the page link, further down this page, listed under Related Questions
Many sauce recipes are good. One type of sauce that most people like is tomato sauce; this typical Italian sauce is very good with spaghetti and all pastas meals.
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You haven't said if that is just pasta, or including sauce. I would say 2 people if pasta and sauce.
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Many people are constantly searching for a good spaghetti recipes. You can join an online cooking community such as Allrecipes and upload your recipe there and receive feedback from other spaghetti aficionados.
2 cups of cooked pasta is usually between 200 to 400 calories, depending on what kind of pasta(whole grain pasta 200) and a cup of spaghetti tomato sauce is around 330 calories which also varies.
That is approximately 2 cups.
You can find spaghetti sauce recipes online at allrecipes.com. There are so many different options. Be sure to pay attention to reviews and the overall rating.