Tortilla Torta

Yield:	4 Servings
Categories:	Mexican, Appetizers, Cheese

1	cn	(16 oz.) refried beans; fat free
1/2		Avocado; coarsely chopped
1/2	c	Scallions; chopped PLUS
2	tb	Scallions; chopped
1/4	c	Green chile salsa
		Freshly ground black pepper
1	cn	(10 oz) enchilada sauce
8		6-inch corn tortillas
2/3	c	Cheddar cheese; lowfat, grated
1/2	c	Plain nonfat yogurt