Curtis Stone's Tomato Sauce (Ketchup)
![Spooning tomato sauce from a bowl onto a sausage roll](https://ca-times.brightspotcdn.com/dims4/default/59deb55/2147483647/strip/true/crop/5763x3602+0+115/resize/1200x750!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fe0%2F73%2F9525823046358dfacce0a9d25fcd%2Fchef-that-curstis-stone-sausage-rolls-by-stephanie-breijo-54.jpg)
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Australian chef Curtis Stone says you can’t eat sausage rolls without tomato sauce (or ketchup). Here’s his homemade tomato sauce recipe — less sweet than bottled ketchup, rich and silky.
Watch the video below — part of our “Chef That!” series — to see how Kahn makes the tomato sauce and sausage rolls.
![](https://img.youtube.com/vi/VfOu9fRKwvo/hqdefault.jpg)
Curtis Stone's Tomato Sauce
Heat the olive oil in a large saucepan over medium heat. Add the onion and garlic and cook, stirring occasionally, until soft and fragrant, about 3 minutes. Add the tomato paste and cook, stirring occasionally, until it begins to deepen in color and caramelize, about 2 minutes.
Add the brown sugar and continue cooking, stirring often, for 5 minutes. Add the tomatoes, vinegar, soy sauce, mustard, salt, chipotle powder, allspice and cloves and stir well to combine. Cover the pot. Reduce the heat to medium-low and simmer, stirring occasionally to prevent the sauce from scorching, until thickened (to a ketchup-like consistency), about 30 minutes.
Cool slightly and transfer to a blender. Cover the blender with a lid and towel. Starting very slowly, blend until completely smooth. It will take a few minutes to achieve a silky texture. Transfer to a bowl or container and chill for 1½ hours. The sauce will keep in a covered container in the refrigerator for up to 1 month.
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