Escargot And Spinach Traume

• 12 romaine lettuce leaves with ends snipped
• 2 garlic (cloves)
• 1/2 pernod
• 1/4 onion (diced)
• 950 ml water
• 30 gr feta cheese
• 16 ml oil
• 12 packages count snails
• 1 package spinach (fresh)