7 Layer Dip
["1 can refried beans", "1 (8 oz.) jar salsa ranchero", "1 (2 oz.) can sliced black olives", "1 (16 oz.) container sour cream", "1 c. green onions, chopped", "1 c. Cheddar cheese, shredded", "1 c. Jack cheese, shredded", "2 c. guacamole", "2 ripe tomatoes, diced"]
["Guacamole is optional; you may substitute thinly sliced avocados."]
["beans", "salsa ranchero", "black olives", "sour cream", "green onions", "Cheddar cheese", "cheese", "guacamole", "tomatoes"]