Tomato Tonnato

Name: Tomato Tonnato
Prep time: 10 min
Total time: 10 min
Yield: about 1¼ cups (300 ml)
Cuisine: Mediterranean
Ingredients: 200 g can tuna steak in olive oil (use oil) Tuna; about 5 fillets (20 g) Anchovy; 4 Tbsp mayonnaise (60 ml) Mayo; 2 tsp nonpareille capers + 1 Tbsp brine (25 ml) Capers; juice of ½ lemon (15 ml) Lemon Juice; 1 Tbsp EVOO (15 ml) Olive Oil; about ⅛ tsp (1 g) Salt; about ¼ tsp (0.5 g) Pepper

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

FINISHING SAUCE · SLICED TOMATOES & SALADS

In the published recipe, this is the finishing sauce for tomato tonnato salad.

Hartnett's tomato tonnato for a tomato salad.

On the jar

TOMATO

Method: blend
Yield: about 1¼ cups
Ingredients: 8

Blender sauce. Cook from the recipe

Ratio

Mayo 60 mlCapers 25 mlLemon Juice 15 mlOlive Oil 15 ml

Ingredients

Tuna200 g can tuna steak in olive oil (use oil)
Anchovyabout 5 fillets (20 g)
Mayo4 Tbsp mayonnaise (60 ml)
Capers2 tsp nonpareille capers + 1 Tbsp brine (25 ml)
Lemon Juicejuice of ½ lemon (15 ml)
Olive Oil1 Tbsp EVOO (15 ml)
Saltabout ⅛ tsp (1 g)
Pepperabout ¼ tsp (0.5 g)

Method

This sauce needs a blender. The jar is for storing it, not making it.
Combine measured ingredients and blend until smooth.
Taste and adjust salt and acid.

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Companion jar

Tomato Tonnato wants a blender. Make it from this page.

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

2 kitchens · 4 stars · 1 national award

Peach and Bean Vinaigrette★ STARRED KITCHENOn the jar: PEACH AND
Herring Waldorf Dressing★ STARRED KITCHENOn the jar: HERRING
Orange Mustard Vinaigrette★ STARRED KITCHENOn the jar: ORANGE
Buttermilk Vinaigrette★★★ KITCHENOn the jar: BUTTERMILK

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Provenance

Angela Hartnett works in Italian / modern British at Murano; credentials include Michelin 1* (Murano, London); Michelin 1* (Cafe Murano lineage / Hartnett Holder & Co).

Adapted from a Angela Hartnett recipe (Angela Hartnett / Waitrose Dish 2026).

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 Angela Hartnett / Waitrose Dish 2026 (published as “Tomato Tonnato”). Full citation lives in Provenance.

Companion jar