Jul 13 2026
RestaurantsSpeziaAhi Tuna Recipe

Ahi Tuna Recipe

Inspired by Spezia
Time1h
Serves4

Grilled portobello mushroom, roasted red peppers, caper berries, red onion, roasted tomatoes and zing Thai vinaigrette.

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Ingredients

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Grilled Portobello Mushrooms

Roasted Red Peppers

Caper Berries and Red Onion

Roasted Tomatoes

Zing Thai Vinaigrette

Method

Grilled Portobello Mushrooms

  1. 1

    Prepare the Marinade

    In a small bowl, mix together olive oil, balsamic vinegar, salt, and black pepper.

  2. 2

    Marinate the Mushrooms

    Brush the marinade onto both sides of the portobello mushrooms and let them sit for 15 minutes.

  3. 3

    Grill the Mushrooms

    Preheat a grill or grill pan over medium-high heat. Grill the marinated mushrooms for about 5-7 minutes on each side until tender and charred.

Roasted Red Peppers

  1. 4

    Prepare the Peppers

    Preheat the oven to 425°F (220°C). Slice the red bell peppers in half and remove the seeds.

  2. 5

    Roast the Peppers

    Place the peppers on a baking sheet, drizzle with olive oil and sprinkle with salt. Roast in the oven for 25-30 minutes until the skins are blistered.

Caper Berries and Red Onion

  1. 6

    Prepare the Onion

    Thinly slice the red onion.

  2. 7

    Combine Ingredients

    In a small bowl, mix the sliced red onion with caper berries.

Roasted Tomatoes

  1. 8

    Prepare the Tomatoes

    In a bowl, toss the cherry tomatoes with olive oil and salt.

  2. 9

    Roast the Tomatoes

    Spread the tomatoes on a baking sheet and roast in the oven at 425°F (220°C) for 15-20 minutes, until they are tender.

Zing Thai Vinaigrette

  1. 10

    Combine the Vinaigrette Ingredients

    In a jar or bowl, combine fish sauce, lime juice, brown sugar, red chili flakes, and chopped cilantro.

  2. 11

    Whisk the Vinaigrette

    Add olive oil and whisk until well combined.

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