Layer the following:

1 (16 ounce) can refried beans mixed with 1 envelope taco mix
1 large container sour cream mixed with 1 envelope dry onion soup mix
1 (4 ounce) can green chiles, drained
Chopped black olives
Diced scallions or any mild onion
Diced tomatoes
Mozzarella cheese, grated
1 (6 ounce) can tomatoes and green chiles, drained

You may cover and refrigerate at this point. Heat thoroughly in a 350 degree F oven until bubbly, and serve with tortilla chips.