Sesame, Ham And Cheese Bites

• 6 squares
• 5 ham
• 220 gr bread crumbs
• 190 gr sesame seeds
• 170 gr butter
• 130 gr flour
• 26 ml corn oil
• 14 gr parsley
• 8 slices ham (sliced boiled)
• 8 slices gruyre cheese (sliced)