Cream Of Green Chile Soup

• 12 tub bueno green chiles mild
• 2 corn tortillas see note
• 2 bay leaves
• 2 baking potatoes (peeled)
• 1 garlic clove (peeled)
• 1/2 stick margarine
• 850 ml chicken broth homemade
• 250 gr monterey jack cheese (grated)
• 240 gr onion (chopped)
• 80 ml whipping cream