Corn And Ham Chowder

• 8 cobs
• 2 shallots (diced)
• 1 onion (diced)
• 1 bay leaf
• 1 butter paprika
• 1,200 gr corn (frozen)
• 700 ml milk
• 170 gr ham (diced cooked)
• 26 gr parsley (chopped fresh)
• 16 gr flour