Get the ingredients ready for preparing your Arabic Lentil Soup recipe.
In a pot over medium heat, cook the chopped onion, carrot, and celery until they become soft.
Add garlic and Arabic lentil soup spices, stirring and sautéing until fragrant.
Mix in tomato puree or chopped tomatoes.
Add lentils and rice to the pot of Arabic lentil soup, stirring to coat them in the onion and spice mixture.
Pour in the stock, bring it to a boil, and then reduce the heat to let it simmer.
Complete the Arabic lentil soup recipe by adding fresh lemon juice. Garnish with additional lemon or cilantro for an added burst of flavor!