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Tony Arra
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I would throw it away quickly. Making garlic oil is a huge risk for botulism (botulism is a bacteria that thrives in food when there's a lack of oxygen, as is the case with garlic submerged in olive oil).

You CAN make garlic-infused olive oil, but it's best to keep it in the fridge to prevent the botulism from growing. They say that it's difficult to tell when botulism has developed in food, but the air bubbles could very well be caused by the bacteria.

Tony Arra
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