Spread the 2 cans of crescent rolls in a large, greased pan or on a cookie sheet with edges. Bake for 10 minutes or until brown.
Mix Ranch dressing according to package instructions. It will be less soggy if you cut the milk down to 1/2 cup. Add 1/2 cup mayonnaise and cream cheese. Mix well. Spread on cooled crust. Add your vegetables. Cover and refrigerate overnight.
Suggested vegetables:
You can also top this with shredded cheddar cheese.