-
Mix onions, carrot, and 3 cloves garlic in a food processor; pulse till finely chopped.
-
Warmth ¼ cup oil in a colossal pot over medium-excessive. Add onion combination and cook dinner, stirring many times, till softened, about 5 minutes. Add spices and ½ teaspoon salt. Cook dinner, stirring, for 1 minute. Add lentils and breeze to coat. Add broth, pepper, and supreme 1 teaspoon salt. Deliver to a simmer and cook dinner, partly covered, stirring infrequently, till lentils are tender, 20 to 40 minutes, looking on form of lentils (red will cook dinner quickest; brown and green would possibly well perhaps well resolve 10 to twenty minutes extra). Mosey in lemon juice.
-
Meanwhile, mix walnuts with supreme 2 cloves garlic and ¼ cup oil in a small skillet over medium-low. Cook dinner, stirring, till walnuts are toasted and garlic is fragrant, about 2 minutes. Mosey in cilantro and lemon zest. Lend a hand soup topped with walnut combination.