Combine the oil, butter and garlic in slow cooker.
With mortal and pestle mash the anchovy fillets until a paste forms. Add the oil mixture in the crock and stir until combined. Cover and cook on LOW until the butter is melted and the anchovies are dissolved. About 1-2 hours; handle with care as the oil will be very hot.
Remove the garlic cloves, especially if they've turned brown, and add the vinegar and aleppo pepper and stir. Arrange the veggies and breadsticks on a platter or in bowls and set the slow cooker in entertaining area keep cooker on low for up to 4 hours.
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