Lightly grease shallow baking dish To make sauce saute onion and garlic in margarine 5 minutes
Add tomatoes sauce chilies sugar cumin salt and oregano
Bring to boil reduce heat and simmer 20 minutes uncovered
Holding tortillas with tongs soften by dipping into hot sauce
Fill each tortilla with 14 to 13 cup chicken and 2 tablespoons of cheese Roll up tucking in sides to contain filling and arrange seam side down in prepared pan
Stir sour cream into sauce
Pour over enchiladas
Top with remaining cheese
Cover and bake for 40 minutes until enchiladas are hot and bubbly