Heat oil in medium sauce pan over medium heat. Add garlic, chili powder, coriander, cumin, and salt. Stir constantly until fragrant for about 30 seconds. Add chicken and stir constantly for 30 seconds until coated. Add tomato sauce and water and stir to separate chicken pieces. Bring to a simmer, then reduce heat to medium-low. Simmer uncovered, stirring occasionally, until chicken is cooked through, approximately 8 minutes. Transfer chicken to large plate and cool in fridge for 10 minutes. Then combine with cilantro and ¾ cup of cheese.