- Easy
- 15 min
- 2 serv.
- 8 synergies
- Now at its best: Apple Cider Vinegar
A nutritious lentil salad with crunchy vegetables and a tangy apple cider vinegar dressing with a hint of cinnamon. Ideal as a light lunch or side dish.
There are salads you bring because you should, and salads you actually look forward to. This lentil salad belongs in the second category. The red lentils give body — sturdy enough to carry you through the afternoon, soft enough to yield with every bite. Throughout: crunchy cucumber cubes, juicy tomato, and the gentle sharpness of red onion.
But it's the dressing that ties everything together. The apple cider vinegar brings a bright acidity that wakes up the earthy lentils, the olive oil rounds it out, and then that unexpected cinnamon — warm and subtle, like a secret ingredient you can't quite place but keep wanting to taste again. Let it sit ten minutes and serve with fresh parsley.
- 15
- min prep
- 0
- min cook
- 15
- min total
Nutritional Synergies
This recipe combines ingredients that enhance each other:
Apple Cider Vinegar 
Olive Oil Perfect salad dressing for mineral and vitamin absorption
Technical: Apple cider vinegar's acetic acid lowers stomach pH, increasing solubility of minerals (iron, calcium, zinc) from the salad. Olive oil's unsaturated fats form micelles that make fat-soluble vitamins (A, D, E, K) and carotenoids from leafy greens absorbable — without fat only 5-10% is absorbed. Together they optimize both mineral and vitamin absorption.
What does this mean for you? The classic vinaigrette (3 parts olive oil, 1 part apple cider vinegar) is scientifically the best salad dressing you can make.
EnergyGeneral Wellness
Apple Cider Vinegar 
Black Pepper Acetic acid + piperine for dual bioavailability enhancement
Technical: Apple cider vinegar's acetic acid lowers stomach pH for better mineral absorption. Black pepper's piperine affects CYP3A4 and P-glycoprotein in the gut, allowing more nutrients to reach the bloodstream. Together they improve absorption of other nutrients in the meal.
What does this mean for you? Add apple cider vinegar and black pepper to marinades and dressings — they help your body absorb more nutrients from the entire meal.
DigestionGeneral WellnessEnergy
Olive Oil 
Tomato Mediterranean golden rule: fat increases lycopene absorption 4x
Fat significantly increases lycopene bioavailability (PMID: 15927929)
Technical: Tomatoes contain lycopene (3-7mg per 100g), a carotenoid with strong antioxidant action. Lycopene is fat-soluble with only 10-15% absorption without fat. Olive oil increases this to 40-60% (2.5-4x improvement). Cooking further increases lycopene bioavailability.
What does this mean for you? Always add olive oil to tomato dishes — sauces, salads, bruschetta. This is why Mediterranean cuisine is so healthy. Cooked tomatoes with olive oil = maximum lycopene.
HeartSkin & Hair
Red Lentils Tomato Tomato increases iron absorption from lentils
Technical: Red lentils contain 3.3mg non-heme iron per 100g. Tomatoes provide vitamin C (14mg per 100g) plus citric acid and malic acid that promote iron absorption. When slow-cooked (stew/dal), tomatoes concentrate, increasing organic acid content. This is the basis of Indian dal — one of the most nutritious plant-based dishes.
What does this mean for you? Cook red lentils with fresh or canned tomatoes for a nutritious dal. The tomatoes increase iron absorption, and cooking the lentils makes them softer and more digestible. Add turmeric and cumin for an authentic Indian result.
Energy
Red Onion Olive Oil Fat increases bioavailability of quercetin from red onion
Technical: Red onion contains 32-65mg quercetin per 100g — the richest food source. Quercetin is poorly water-soluble (2μg/mL) but dissolves well in fats. Olive oil increases quercetin oral bioavailability by 50-70% through lipid-based lymphatic transport instead of the portal vein.
What does this mean for you? Sauté red onion in olive oil (soffritto) for maximum quercetin absorption. Oil dissolves quercetin and improves transport to your bloodstream. Caramelizing also enhances flavor.
Anti-inflammatoryHeart
Sea Salt Tomato Minerals improve flavor perception and electrolyte balance
Technical: Sea salt contains trace minerals (magnesium, potassium, calcium) besides sodium. Tomato is rich in potassium (237mg/100g) and lycopene. Avocado adds magnesium (29mg) and potassium (485mg). Together they form a broad electrolyte profile: sodium (salt) + potassium (tomato/avocado) + magnesium (avocado) — essential for fluid balance and nerve function.
What does this mean for you? Sprinkle tomato and avocado with a pinch of sea salt. This is more than flavor — the minerals complement each other for a complete electrolyte balance.
HeartEnergy
Sea Salt Olive Oil Minerals + polyphenols for cellular balance
Technical: Sea salt's sodium is essential for the sodium-potassium pump (Na+/K+-ATPase) that regulates every body cell. Olive oil's oleuropein and hydroxytyrosol provide antioxidant protection for cell membranes. The combination supports cell integrity: sea salt regulates ion balance, olive oil protects the membrane. In Mediterranean cuisine, coarse sea salt + olive oil is the most basic flavor profile.
What does this mean for you? Freshly ground sea salt with extra virgin olive oil is the simplest and most nutritious finishing of any dish. The combination provides the basic needs of your cells: minerals for function, polyphenols for protection.
HeartGeneral Wellness
Black Pepper Olive Oil Fat increases piperine absorption and enhances polyphenols
Technical: Piperine is fat-soluble and absorbed 2-3x better with dietary fat. Olive oil's oleocanthal and piperine both modulate COX signal transduction through different mechanisms, providing additive bioactive effect.
What does this mean for you? Grind fresh pepper over salads with olive oil dressing. The combination enhances both pepper absorption and bioactive action.
Anti-inflammatoryHeartDigestion
Ingredients (10)
- Red Lentils — 150 g cooked or canned, drained
- Apple Cider Vinegar — 30 ml preferably unfiltered with mother
Instructions
- 1 Rinse the lentils if canned and let drain.
- 2 Dice the cucumber and tomato, finely chop the red onion.
Nutrition per serving
Indicative values per serving.
Timing & Suitability
Shelf life: 3 days in fridge