Heat 1 tsp oil over medium heat in a wok or large skillet. Add cashews and cook for 4 minutes until they become a dark golden color and crunchy, careful not to burn them, they brown quickly.
Remove from skillet with a slotted spoon and place in a small bowl. Use the leftover oil to sauté the veggies. Start the rice now if making any, follow instructions on the packet, this usually takes about 20 minutes.
Turn heat up to medium/high. Add peppers, broccoli and yellow onion. Cook for 4 minutes until everything is sweating. Add the ginger & garlic.
Set the veggies to the side with the cashews. Whisk the cornstarch and seasonings for the chicken. Coat the chicken with the cornstarch and make the sauce while the chicken cooks.
Add another tsp of oil to the same skillet. Add in the coated chicken, make sure it isn't over lapping at all. Cook for about 4-5 minutes on each side until chicken is cooked all the way through (165º internally). While chicken is cooking, make the sauce (whisk everything together in a bowl)
When the chicken is close to being cooked through all the way, add in the sauce, sautéed veggies, spinach and cashews. Simmer for just 2-3 minutes to thicken the sauce and take it off the heat.
Serve over white rice and garnish with chopped basil. Enjoy.