01 -
Evenly spread the refried beans in the base of a 9 x 13 inch baking dish.
02 -
In a bowl, combine the light sour cream or Greek yogurt with the ranch dressing mix. Spread this mixture over the beans in a smooth layer.
03 -
Scatter the shredded lettuce evenly over the creamy layer.
04 -
Top with grated cheddar cheese, then add chopped tomatoes, sliced black olives, and chopped green onions.
05 -
Scatter cubed avocado over the top. Cover and refrigerate until ready to serve, up to 6 hours.
06 -
Serve cold with salsa on the side, tortilla chips, or fresh cut vegetables for dipping.