Heat a large enough pot with just enough oil to coat the bottom. https://www.chilipeppermadness.com/recipes/homemade-ketchup Today, tomato ketchup … Preparation. https://www.inspiredtaste.net/27375/homemade-ketchup-recipe Homemade ketchup is usually sweetened with brown sugar or maple syrup. Fish: Anchovies were a traditional component of homemade ketchup. When hot, add in the onions, garlic, and jalapenos. https://www.yummly.com/recipes/ketchup-and-brown-sugar-barbecue-sauce Many recipes … For my recipe, I take the middle road: I sweeten it with brown sugar with a dash of extra molasses for depth, add a few spices from the above list based on whatever is in the pantry, and most recently I started quietly adding a few dashes of fish sauce, a trick I learned from my new friend Peter Barret. Alliums: Early homemade ketchup recipes often called for shallots. They remain in Worcestershire sauce but have largely disappeared from commercial tomato ketchup.