01 -
Combine 8 cups of water and 1 teaspoon salt in a large saucepan and bring to a boil over high heat. Add the rinsed brown lentils, cover, reduce heat to medium, and simmer for 20 minutes until tender. Drain, rinse with cold water, then drain again and transfer to a large bowl.
02 -
Blend ⅔ cup olive oil, ½ cup red wine vinegar, 1 teaspoon Dijon mustard, 1 tablespoon berbere spice, ½ teaspoon cinnamon, minced garlic, and 1 teaspoon salt until thick and emulsified. Toss ¾ cup of the dressing with the warm lentils and set aside.
03 -
Rub chicken evenly with the remaining 1 tablespoon berbere spice and 1 teaspoon salt.
04 -
Heat 2 tablespoons olive oil in a large skillet over medium heat. Sauté chopped onion until caramelized, about 8 minutes, then remove and set aside. Add seasoned chicken to the same skillet and cook for 3 minutes per side until fully cooked and browned.
05 -
Toss lentils again with the dressing. Arrange lentils on serving plates, top with cooked chicken and caramelized onions. Drizzle with remaining dressing, sprinkle with chopped parsley, and serve with lemon slices.