Clean and brush off excess dirt from the mushrooms using a kitchen paper towel or a brush. If the mushrooms are too dirty then quickly wash them under running water, then slice.
Heat oil in a pan over medium heat, add mushrooms, and top them with coconut aminos (or soy sauce)
9 oz white or brown button mushrooms, 1 tablespoon coconut aminos (or soy sauce), 1 teaspoon brown sugar ( or a keto substitute such as Sukrin Gold - use coconut sugar for paleo, 1 tablespoon extra olive oil
Add brown sugar (or a keto substitute following a low-carb diet). Cook the mushrooms for 2-5 minutes without stirring, allowing them to brown and excess liquid to evaporate.
Next, add the balsamic vinegar, top with a tablespoon of butter, stir then add the thyme.
1 teaspoon balsamic vinegar, 1 tablespoon butter, 1 small sprig thyme, ½ teaspoon salt and pepper
Allow this to sautee for a further 1-3 minutes. Season with salt and pepper according to taste, take the pan off the stovetop then set aside.