1/2 cup (1 stick) butter
1 cup onion, chopped
1/4 cup green bell pepper, chopped
1/2 cup celery, chopped
2 tablespoons green onions, chopped
3 cloves garlic, chopped or pressed
3/4 cup evaporated milk
1/2 pound Velveeta, cubed
2 pounds cooked crawfish meat, shrimp and/or crabmeat
1/2 teaspoon salt
1/2 teaspoon fresh black pepper
1/2 teaspoon garlic powder
1/2 teaspoon cayenne pepper
20 pistolettes (football-shaped brown 'n' serve rolls)
Vegetable oil or shortening for frying