When doings fruit and vegetable butters, I prefer to use a crock-pot with a warm feature. It does take a little longer, but the butter does not burn. I had to break out my 3 pot buffet crock-pot as it has the warm feature. The older crock-pots have a low that is comparable to the warm on the newer models. I was surprised by the end taste of this butter! I had small garlic bread pieces and spread the warm butter on them and they were out of this world! My husband’s grandpa tried it and said he would prefer it nice and cold.