Davy Jones Tuna Bake

• 14 tuna (drained)
• 2 bisquick
• 1 salt and pepper
• 1/4 pimiento chpd
• 425 ml milk
• 60 gr sharp process cheese shred
• 34 gr celery chpd
• 7 gr onion chpd
• 1 package cream of celery soup
• 1/2 packages tuna