I often use bacon grease in place of olive oil when roasting or sauteing vegetables. Bacon fat is the secret to making kale edible. It’s money on roasted potatoes. And it can be used to make shortcut carnitas.
I often use bacon grease in place of butter when making breakfast foods - everything from eggs, to French toast, to hash browns. It's incredible slathered on corn on the cob and when used to "butter" sandwich melts.
After cleaning a cast iron pan, it gets a little dehydrated looking. Dry the pan over medium heat on the stovetop, then add bacon grease. Use a paper towel to rub it in evenly and revitalize the pan with bacon’s healing powers.