Combine chili and tomato paste; stir well. Add beans, chopped tomato with green chiles, and cilantro; stir well. Spread chili mixture in a 10-inch quiche dish; top with cheese. Bake, uncovered, at 375° for 15 minutes or until cheese melts and mixture is thoroughly heated.
Combine avocado and lemon juice; toss gently to coat. Spread sour cream over melted cheese. Top with avocado mixture, diced tomato, green onions, and olives. Serve with tortilla chips.