This is really good and would be a good base for a nice seafood dish.
6 oz linguini
1/2 can diced tomatoes (with liquid)
1/2 onion, diced or julienned (or dried)
2 cloves garlic
dash red pepper flakes
1 t Italian seasoning
2 1/4 c vegetable broth (can sub some water)
1 T oil
Place all ingredients in pot. Cover and bring to a boil. Cook 10-20 mins, stirring occassionally, until most of the liquid is gone. Serve warm beneath your favorite seafood dish.