When heated add the chopped garlic and cook for a minute or so.
Add the chicken breasts and cook each side until browned and juices are running clear.
Remove the cooked chicken breasts and set them aside.
Add to the same pan the baby spinach and cook until wilting.
Remove the baby spinach from the pan and set it aside.
Then lower the heat to medium and pour in the red wine vinegar then the chicken broth as well and stir, collecting the browned bits in the bottom of the pan to add more flavor.
Then add the chopped grape tomatoes, bring the sauce to a simmer and cook 3 or 4 minutes.
Place the rice in a large serving bowl.
Top the brown rice with the baby spinach, half chicken breasts and red wine tomato sauce.