Using ingredient tin of crabmeat for salad shrimp if desired

Shrimp Croustades

• 3 months
• 1 loaf bread
• 1 green onion
• 1 tin salad shrimp
• 1 tin of crabmeat for salad shrimp if desired
• 1/2 lemon
• 180 ml milk
• 110 gr butter
• 60 gr swiss cheese
• 16 gr flour