Seafood Enchiladas With Cream And Tomatillo S

• 350 until bubbly
• 10 tomatillor (fresh)
• 3 scallions with some (chopped)
• 1 filling
• 1 bell pepper (red chopped)
• 1 onion (finely chopped)
• 1/2 bunch cilantro (chopped)
• 1/2 bunch corriander (fresh chop)
• 230 ml nonfat yogurt (plain)
• 230 ml nonfat sour cream