Mackerel, Quinoa & Beetroot Salad

Flaked mackerel over quinoa with roasted beetroot and rocket — 27 g of protein and ~2.6 g of EPA + DHA in a single lunch built around the omega-3 champion of the tinned-fish aisle.

2 min read August 24, 2026 AgeGen Editorial
Mackerel, Quinoa & Beetroot Salad — AgeGen

Flaked mackerel over quinoa with roasted beetroot and rocket — 27 g of protein, 500 kcal, and ~2.6 g of EPA + DHA in a single lunch built around the omega-3 champion of the tinned-fish aisle. Mackerel carries more EPA and DHA per gram than salmon and costs a fraction of it; the beetroot brings dietary nitrate and the quinoa a complete plant protein.

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Mackerel carries more EPA and DHA per gram than salmon, and costs a fraction of it.

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Mr. Age is AgeGen's editorial character. Facts come from the protocol above.

Ingredients (1 serving)

  • Mackerel fillet, cooked — 100 g
  • Quinoa, cooked — 120 g
  • Beetroot, roasted — 100 g
  • Rocket — 30 g
  • Olive oil — 1 tsp
  • Lemon juice + Dijon — 1 tbsp

Macros per serving

  • Calories: 500 kcal
  • Protein: 27 g
  • Fat: 26 g
  • Carbs: 36 g
  • Fiber: 6 g

Key micronutrients

  • Omega-3 EPA+DHA: ~2.6 g
  • Vitamin B12: ~16 µg
  • Selenium: ~45 µg
  • Folate: ~110 µg

Why it earns a spot in the rotation

  • Marine omega-3 density. One 100 g portion clears the weekly EPA + DHA target for most adults in a single sitting, from an inexpensive tinned or smoked-fish ingredient.
  • Complete plant protein. Quinoa carries all essential amino acids, so the plate holds up as a lunch even before the mackerel is counted.
  • Dietary nitrate from beetroot. Roasted beetroot is one of the more concentrated everyday sources of dietary nitrate.
  • Batch-friendly. Quinoa and beetroot both cook once for three lunches; assemble cold in five minutes on the day.

Sources

AgeGen recipes are sourced from the USDA FoodData Central database. Macros are calculated per the ingredient panel; round to the gram.

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