Time for Some Feedback

I'm looking for ideas from you all this time. Our church group is eating dinner together each time we meet and I need ideas (there are 8 adults). We want simple to prepare meals that everyone can participate in by bringing something to add to it.
Here's what we've done:

• Pizza and Salad
• Soup - I made it, everyone chipped in money
• Frozen Lasagna, Salad, Bread
• Taco Salad

What would you suggest?