Preheat oven to 350°F.

Rub the mirlitons with oil & place on baking sheet cut side down. Bake until they are fork tender and easily peeled - about 45 minutes.

Set aside to cool. Then peel & cut into 1-in. pieces.

Melt the butter in a large skillet over moderate heat.

Add trinity (onions, celery & bell pepper) and cook until the onions are translucent - about 5 minutes.

Add the garlic and cook another minute.

Increase heat to medium-high, add the fresh herbs and shrimp. Stir frequently until shrimp are just cooked - 3-5 minutes.

Stir in the crabmeat.

Transfer to a large mixing bowl.

Add diced mirlitons and remaining ingredients. Stir until well combined.

Spoon the dressing into a large buttered baking dish and bake until golden brown - 20-30 minutes.