Lentils Colombian Style
["1/2 lb. cubed beef", "1/2 lb. lentils", "1/2 liter water", "2 grated potatoes", "1 garlic clove, minced", "1 large onion, chopped", "2 tomatoes, chopped", "salt and black pepper", "1 Tbsp. olive oil"]
["In a medium-size saucepan, saute lentils and beef in oil for 5 minutes.", "Add water and the rest of the ingredients.", "Bring to a boil, reduce heat to low and cover.", "Simmer until lentils are tender, about 30 minutes."]
["cubed beef", "lentils", "water", "potatoes", "garlic", "onion", "tomatoes", "salt", "olive oil"]