In lieu of a direct substitute, heating up olive oil, adding red pepper flakes, and then pouring in a jar of Trader Joe's Tomato Basil Marinara sauce has been said to be an acceptable substitute.

Believe it or not, but Trader Joe’s is a total goldmine for low-fat finds that are actually tasty. From delicious breakfast ...

You could buy pretty much anything from Trader Joe's frozen section ... and pepper sauce. After a few minutes in the skillet, I noticed the cauliflower gnocchi developed a nice golden color ...