Combine chili and Ro-Tel in a medium saucepan.

Heat the mixture over medium heat, stirring occasionally until hot.

Pour the heated chili mixture into a shallow 1 1/2-quart bowl.

Arrange shredded lettuce along the outside edge of the bowl to form a circle.

Arrange chopped tomatoes in a circular pattern next to the lettuce.

Sprinkle grated Monterey Jack cheese in a circular pattern next to the tomatoes.

Sprinkle grated Cheddar cheese in a circular pattern next to the Monterey Jack cheese.

Sprinkle chopped green onion in a circular pattern next to the Cheddar cheese.

Arrange sliced ripe olives in the center of the dip.

Serve immediately with tortilla chips.