Begin by steaming all the main vegetables (carrots, cabbage, broccoli, green beans or french beans, spinach leaves) until they are all soft enough to nearly mash or poke through with a fork. Please do not forget to rinse your vegetables thoroughly before steaming them. When the vegetables are steamed, set them aside.
While your vegetables are steaming, place all your chicken in a pot and cover the chicken with enough water so that the water is about 1 inch about all the chicken. Bring the water to a slow boil and let the chicken slowly boil until the meat is cooked and a aromatic chicken broth presents itself. (Don't overcook your chicken to the point that the meat is seemingly dry.).
When the chicken is ready, remove and set aside the chicken and use the chicken broth you have just created to cook the brown rice. In a rice cooker, you will need 3 cups of chicken broth to cook the 1 1/2 cups of brown rice. If you use a regular pot and lid to cook the rice, keep an eye on the level of the broth as it cooks because you may or may not need to add a little broth as the rice cooks to keep from burning or drying out the rice. Better that the rice is a little moist than too dry.
While the rice is cooking, chop your chicken and all your steamed vegetables into small bite-sized pieces (imagine a quarter cut into four equal parts and that is about the size you want).
When the rice is done, combine your chopped chicken, vegetables and brown rice into a large bowl and mix it together adding the olive oil and a little more of the leftover chicken broth as you see fit.
Now the meal is ready but you probably want to let it cool down a little bit before serving it to your dog(s). It can be refridgerated in a sealed container for up to 3 days. Simply placing a small amount in the microwave will melt all the fats and oils in it again and leave your dog's tastebuds jumping!