Place a medium saucepan over medium heat> Add the olive oil and butter. Once melted, add the rice and garlic to the pan and stir allowing the rice to toast for 2-3 minutes.
Pour in the chicken stock and salt. Stir to combine.
Cover the saucepan and bring to a boil. Then reduce the heat to medium-low and simmer for 20 to 25 minutes or until all the liquid is absorbed by the rice.
Uncover the saucepan and use a fork to fluff the rice.
Add the shredded cheddar and zucchini and continue to fluff with the fork until it's all mixed together and the cheese has melted. Serve warm.