7 Layer Salad - cooking recipe

Ingredients

4 tomatoes
4 scallions
1 ripe soft avocado
8 oz. sour cream
1 pkg. taco seasoning mix (powder)
2 large pkg. cheese (1 Cheddar, shredded and 1 Monterey Jack, shredded)
1 can Old El Paso refried beans
1 can black pitted olives (3 1/2 oz.), sliced
round tortilla chips

Preparation

In serving dish, layer: