Slow Roasted Tomato Ketchup

Name: Slow Roasted Tomato Ketchup
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Yield: about 1¾ cups (400 ml)
Cuisine: American
Ingredients: about 4 tomatoes (600 g) Tomato; about ¼ cup (55 ml) Sunflower Oil; about 1½ shallots (50 g) Shallot; 1 clove, grated Garlic; 1 sprig of fresh thyme (1 g) Thyme; 1 tbsp of vinegar (15 ml) White Wine Vinegar; 1 pinch (1 g) Sugar; 1 pinch (1 g) Salt; 1 pinch (0.5 g) Pepper

Independent adaptation of a publicly published Galton Blackiston recipe. Not affiliated with, sponsored by, or endorsed by Galton Blackiston.

GREAT ON · BURGERS; CHIPS; BARBECUE; SAUSAGES

Great on Burgers; chips; barbecue; sausages.

Tomato base for pasta, eggs, and seafood.

On the jar

SLOW-ROASTED

Method: stove
Yield: about 1¾ cups
Ingredients: 9

Stove sauce. Cook from the recipe

Ratio

Sunflower Oil 55 mlWhite Wine Vinegar 15 ml

Ingredients

Tomatoabout 4 tomatoes (600 g)
Sunflower Oilabout ¼ cup (55 ml)
Shallotabout 1½ shallots (50 g)
Garlic1 clove, grated
Thyme1 sprig of fresh thyme (1 g)
White Wine Vinegar1 tbsp of vinegar (15 ml)
Sugar1 pinch (1 g)
Salt1 pinch (1 g)
Pepper1 pinch (0.5 g)

Method

This sauce is cooked on the stove. The jar is for storing it, not making it.
Cook ingredients gently according to the published technique, adapted here as pantry quantities only.
Finish off heat; adjust seasoning.

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Companion jar

Slow Roasted Tomato Ketchup wants a whisk and a stove. Make it from this page.

The jar carries pour-and-shake sauces. These are its closest cousins from kitchens like this one:

3 kitchens · 4 stars · 3 national awards

Bois-Boudran Sauce★ STARRED KITCHENOn the jar: BOIS BOUDRAN
Shallot Dressing★ STARRED KITCHENOn the jar: SHALLOT
Simple Tomato SauceNATIONAL AWARD WINNEROn the jar: SIMPLE
Buttermilk Vinaigrette★★★ KITCHENOn the jar: BUTTERMILK

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Provenance

Galton Blackiston works in Modern British / Norfolk produce at Morston Hall; credentials include Michelin 1* (Morston Hall, Norfolk).

Originally published as Slow-Roasted Tomato Ketchup.

Adapted from a Galton Blackiston recipe (Galton Blackiston / Great British Chefs).

FAQ

Can this go in a shake jar?

No. This one needs a blender or stove, so make it from this page. Jars only carry pour-and-shake sauces. Its companion jar is below.

What do the quantities mean?

This page lists the published recipe in household units (with metric in parentheses). On a jar, the printed lines, counts, and QR guide carry the jar-batch amounts. Follow the jar or this page, not a mix of both. Amounts in the jar’s ADD row are rounded to the nearest common spoon measure (T = tablespoon, t = teaspoon) so they can be read off the glass.

Where did this recipe come from?

Adapted from Galton Blackiston / Great British Chefs (published as “Slow-Roasted Tomato Ketchup”). Full citation lives in Provenance.

Companion jar