Super Nachos

Description
Contributed by Catsrecipes Y-Group
 * Source: The Best of Bridge
 * Serves 20, but may be cut in half for smaller gatherings.

Ingredients

 * 1 lb lean ground beef
 * 1 medium to large onion, chopped
 * 1 tsp salt
 * 1 can refried beans (14 oz)
 * 1 can (4 oz) green chilies, drained and chopped
 * ½ lb shredded Monterey jack cheese or mild cheddar cheese
 * ¾ cup taco sauce (try hot)
 * 1 medium avocado, mashed or 6 oz pkg. frozen avocado dip
 * 1 cup sour cream
 * ¼ cup green onion, chopped
 * 1 cup pitted ripe olives, sliced
 * Tostados round tortilla chips

Directions

 * 1) Brown beef and onion, crumbling beef into fine pieces and drain.
 * 2) Season with salt.
 * 3) Spread refried beans in a large shallow ovenproof dish.
 * 4) Top with meat mixture.
 * 5) Sprinkle green chilies over beans, then cheese.
 * 6) Drizzle taco sauce over all.
 * 7) If made ahead, cover and chill at this point.
 * 8) Bake at 400°F for 20 minutes.
 * 9) Spread mashed avocado over mixture, then sour cream, garnish with green onions and.
 * 10) Serve with tortilla chips.
 * 11) To reheat any leftovers, grate enough cheese to make a new top layer and bake until heated through.