Cook the white rice according to package directions and set aside.
Slice the sirloin steak and chicken breast into small, bite-sized cubes.
Season the meat evenly with sea salt, black pepper, and garlic powder.
Heat the extra virgin olive oil in a large skillet over medium-high heat.
Add the chicken cubes to the skillet first, searing until golden brown and cooked through, about 5-6 minutes.
Remove the chicken from the skillet and add the steak cubes, searing for 2-3 minutes until browned but tender.
Thinly slice the cucumber and place it in a bowl with the mixed greens.
Assemble the bowl by placing the cooked rice at the bottom, topped with the steak, chicken, and the fresh salad.
Drizzle the coconut aminos over the entire bowl before serving.