For a low FODMAP version, the amount of ketchup per serving falls between low to moderate in FODMAPS, so you can include it, or substitute with tomato paste. Most commercial chili paste contains garlic, so look for one that doesn't have garlic, or omit it from the ingredient list.
Excerpted from SILVANA’S GLUTEN-FREE AND DAIRY-FREE KITCHEN © 2014 by Silvana Nardone. Reproduced by permission of Houghton Mifflin Harcourt. All rights reserved.