Cook rice as per the instructions given on the package. Or see the note below for options to cook the rice. Let the rice cool down completely.
Meanwhile, heat some cooking oil in a medium skillet and add diced sweet potatoes, little water, smoked paprika, and toast them for 5-6 min.
Add chopped fresh kale and cook the mixture for 1-2 min or until the kale wilts down. Turn off the heat and let the mixture cool down.
In a small bowl or a small mason jar combine lemon juice, olive oil, minced garlic, and fresh parsley. Mix well and keep it aside.
In a large salad bowl add arugula, cooked rice, toasted sweet potatoes, and kale. Also, add diced green apple, chopped pecans, and the prepared olive oil dressing; gently mix everything to combine.