INGREDIENTS
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4 tablespoons butter
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1 medium onion, chopped
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1 medium green bell pepper, seeded and chopped
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1 cup diced mushrooms
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28 ounces crushed tomatoes
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1 (4-ounce) can diced green chiles
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3 cloves garlic, minced
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2 tablespoons flour
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1 tablespoon chili powder
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1 tablespoon ground cumin
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1 1/2 teaspoons salt
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1 cup chicken broth
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1/2 cup heavy cream
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1/2 cup sour cream
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2 cups cooked, shredded chicken
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12 (6-inch) flour tortillas
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2 to 3 cups shredded cheddar cheese, to taste