In a large pot, heat I Can't Believe It's Not Butter and olive oil over medium heat until butter is melted; add onion. Cook onion, stirring occasionally, until translucent, about 5 minutes. Add garlic and cook another 30 seconds, or until fragrant. Add rice; stir to combine. Gradually pour in vegetable broth. Bring to a boil; cover and lower to a simmer. Let cook for about 50 minutes (check package instructions).