In a medium bowl combine ground chuck, salt, and pepper and mix well. Once well combined, add butter, garlic, rosemary, and thyme and mix well again
Form meat into 4 oz balls, place onto plate, cover, and place in freezer
Whisk together burger aioli ingredients in small bowl, cover and put in cooler or refrigerator
Heat a large cast iron skillet on high heat, throw in butter, and place balls of meat in skillet leaving plenty of room for pressing
After 15-30 seconds press down on balls until they are flat, leave to cook for 2-3 minutes, then flip over and add cheese. Once the cheese melts remove patties from skillet and repeat with remaining burger balls