Chicken Enchilada Crepes

• 18 crepes (cooked)
• 1 with tomato bits
• 1 filling
• 1 ripe avocado
• 1 green onions sour cream
• 475 ml sour cream
• 230 gr cheddar cheese (grated)
• 30 gr onion (finely chopped)
• 14 gr margarine
• 3 gr chili powder