Alligator Sausage And Crawfish Casserole

• 2 bay leaves
• 1 crawfish tails
• 1 creole seasoning
• 260 gr alligator sausage
• 260 gr smoked sausage (sliced)
• 240 gr converted long rice (grain)
• 190 gr rotelle tomatoes
• 160 gr mushrooms (sliced)
• 110 gr butter
• 8 gr black pepper