By using hummus in place of tomato sauce on the base, you're getting that salad - y experience, as well as a good dose of protein. (laurencariscooks.com)
This time of year is perfect for pumpkin recipes, but I use pumpkin all year round in many savory recipes in place of tomato sauce. (thefitcookie.com)
I've heard that you can use canned pumpkin or squash puree in place of tomato paste, though I haven't tried so I can not speak for the flavor or results. (toriavey.com)