Pacific Clam And Corn Chowder

• 8 clams (minced)
• 1 d of pepper (white)
• 700 ml milk
• 300 gr potatoes (diced raw)
• 240 gr clam nectar
• 230 gr kernel corn (drained whole)
• 120 gr onion (chopped)
• 50 gr coarse cracker crumbs
• 16 gr flour
• 14 gr butter