Seven-Layer Mexican Dip

1 can refried beans
1 8-oz container sour cream
1 pkg taco seasoning
2 avocados
1 pkg dry guacamole seasoning
2 cups (8 oz) shredded cheddar cheese
1 medium tomato, diced
1 handful black olives, sliced
3 green onions, thinly sliced
Fritos or tortilla chips

Combine sour cream and taco seasoning; set aside. Peel and mash avocados with guacamole seasoning; set aside. Spread refried beans on a large plate, followed by sour cream mixture and avocado mixture. Sprinkle evenly with cheddar cheese, then tomatoes, olives and green onions. Serve with Fritos or tortilla chips.