Garlic Stuffed Jumbo Pasta Shells

• 6 garlic (cloves peeled finely)
• 6 anchovy fillets
• 2 egg yolks
• 1/2 kg pasta shells (jumbo)
• 475 ml milk
• 260 gr ricotta cheese
• 240 ml cream (heavy)
• 130 gr cottage cheese
• 85 gr butter
• 45 gr flour