"I consider marinara sauce to be a kitchen staple, so I make it in larger quantities than I need and then freeze it in freezer bags in one-cup amounts. It is far better (and healthier, no preservatives or chemicals) when made from scratch than when poured out of a jar bought at the grocery store and 1 cup is perfect for two servings of pasta. I do use canned tomatoes but take care to use tomatoes with no additives. (Larger image.) Makes about 4 cups...."