Baked Asian Chicken Rice Balls

Name: Baked Asian Chicken Rice Balls
Prep time: 25 min
Cook time: 5 min
Total time: 30 min
Cuisine: Asian
Ingredients: 1 teaspoon canola oil; 1 teaspoon minced garlic; 1 cup diced yellow onion; 6 oz. baby portobello mushrooms (diced); 4 tablespoons ketchup (or tomato sauce if you prefer); 1 tablespoon low sodium soy sauce; 1 1/2 cups diced chicken (I used rotisserie chicken for convenience); 2 cups cooked (leftover rice); 1/3 cup chopped green onion; 6 oz. shredded cheese (Cabot)