"At our Christmas Eve celebration, this saucy dish is an in-kitchen affair. While the rest of the meal is being prepared, family members gather around the kitchen island and whet their appetites with the first fish of the evening." -LZ
Heat oil in a large Dutch oven over medium-high heat. Add onion; sauté 3 minutes or until tender. Add garlic; sauté 1 minute. Stir in tomatoes; partially cover, reduce heat, and simmer 30 minutes. Add parsley and remaining ingredients; cook 5 minutes or until shells open, stirring occasionally. Remove from heat; discard any unopened shells.