Cold Greek Lentil Salad with Feta and Red Onion

By AislePrompt Editorial · Published 2026-06-19 · Updated 2026-06-19

A refreshing Mediterranean lentil salad tossed with tangy feta, crisp red onion, and a lemon-oregano vinaigrette. This Greek recipe (vegetarian, gluten free), ready in about 35 minutes, pairs brown lentils, water, red onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 310 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with rice, quinoa, or a quick salad. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 1 cup, rinsed brown lentils
• 3 cups water
• 1 small, thinly sliced red onion
• 1 cup, halved cherry tomatoes
• 1 medium, diced cucumber
• 4 oz, crumbled feta cheese
• 1/4 cup, chopped fresh parsley
• 3 tbsp olive oil
• 2 tbsp, freshly squeezed lemon juice
• 1 tsp dried oregano
• 3/4 tsp salt
• 1/2 tsp black pepper

The chef’s knife we’d prep this with → Best Chef's Knives for 2026: Top Picks + Buying Guide

Instructions

1. Step 1: In a medium saucepan, combine 1 cup rinsed brown lentils and 3 cups water. Bring to a boil, then reduce heat and simmer uncovered for 20-25 minutes until lentils are tender but not mushy. Drain and cool to room temperature.
2. Step 2: In a large bowl, whisk together 3 tbsp olive oil, 2 tbsp lemon juice, 1 tsp dried oregano, 3/4 tsp salt, and 1/2 tsp black pepper to make the dressing.
3. Step 3: Add the cooled lentils, 1 small thinly sliced red onion, 1 cup halved cherry tomatoes, 1 medium diced cucumber, 4 oz crumbled feta cheese, and 1/4 cup chopped fresh parsley into the bowl with dressing. Toss gently to combine.
4. Step 4: Refrigerate salad for at least 30 minutes to allow flavors to meld. Serve chilled or at room temperature.