Combine the tomatoes, pineapple, avocados, onion, cilantro, lime juice, red pepper flakes and garlic salt in a medium bowl. Add pepper to taste. Serve with lime tortilla chips.
Adapted from "Trisha's Table: My Feel-Good Favorites for a Balanced Life" by Trisha Yearwood © Clarkson Potter 2015. Provided courtesy of Trisha Yearwood. All rights reserved.