To peel garlic, process in TM, at speed 4, reverse, for 7 seconds to loosen the skin. Cut garlic in half, root to tip. Remove the center germ or sprout if green. Process the onion and garlic in the TM at speed 5 for 7 seconds.

Add the butter and process for about 15 minutes at speed 1 at 100C

Insert butterfly, and add remaining ingredients. Process at speed 3 for 5 seconds to integrate everything. Process for 45 minutes at stir speed at 100C

Reserve any leftovers in a sealed glass jar in the refrigerator, should keep several weeks.