Pressure Cooker Rice/Quinoa: Prepare the brown rice-quinoa mixture. Combine ⅔ cups brown rice and ½ cup quinoa in a fine mesh sieve and rinse. Transfer the rinsed rice mix to the pressure cooker and and 1¼c water. Pressure cook on high for 22 minutes. Let the pressure cooker vent naturally for 5 minutes, then release vent valve to vent completely. Fluff with a fork. Cover to keep warm and set aside. It should make about 3½ cups of cooked rice-quinoa mixture. Pre-cooked Rice/Quinoa: If you have leftover or pre-cooked brown rice and quinoa, simply combine 2 cups of brown rice and 1½ cups quinoa. Set aside. Season the chicken with ½ teaspoon of salt and ¼ teaspoon of pepper. Heat 1 tablespoon of avocado oil in a large frying pan over medium-high heat. Once the oil is hot, add the chicken. Cook on one side 4 to 5 minutes, until golden brown. Flip the chicken and cook another 4 to 5 minutes, until golden brown. Transfer the chicken to a plate and tent with foil to keep warm. Wipe out the pan with a paper towel.
Shred the sweet potatoes with a grater. Combine shredded potatoes, 2 teaspoons of avocado oil, and ¼ teaspoon each of salt and pepper. Toss well. Wipe out the frying pan you used to cook the chicken and add the potatoes. Saute 4 to 5 minutes over medium heat, until softened and golden brown in spots. Remove from heat, cover to keep warm and set aside.
Drain and rinse the black beans and transfer to a small bowl. Season with cumin, granulated garlic, and a pinch of salt and pepper. Mix well to coat. Set aside.
Combine the kale, 2 teaspoons avocado oil, ⅛ teaspoon salt and ⅛ teaspoon black pepper in a large bowl. Massage the kale by using your fingers to squeeze and crush the kale leaves. Do this for 2 to 3 minutes, or until the kale just begins to wilt and shrink. Set aside.
When you're ready to put the bowls together, thinly slice the chicken breasts. Assemble the bowls by combining the desired amount of rice-quinoa mixture, shredded sweet potatoes, kale, black beans, chicken, and pineapple-mango salsa. Top with a drizzle of spicy pineapple mango dressing.