How many times do you flip your burgers? Just once, so that they cook on each side once, or multiple times? Science now has something to say on this. Researchers believe they have landed on the “optimal flipping conditions” for burger cooking. Yep, you heard it here first. Barbecue season may be over – sorry, Texas – but that doesn’t mean you can’t cook burgers in the kitchen. Read on to find out what science says is the best way to pan-fry a burger. Flipping a burger 3 times during pan cooking ‘significantly’ reduces cooking timeIf you want to cook your burger in the least time possible, flip…