Brown rice has been used and prepared in some countries for centuries, as its formula rich in fiber and protein and low in fat qualifies it as a healthy food. But do you Know How to Cook Long grain brown rice? Cooking Long brown rice Clean the rice from the buildup, and select the sum you need to cook. Douse the brown rice in water for around (6) or (12) hours, at that point wash it well and deplete it from the water. Bring a pot and put the water and rice in it, water bubbles, at that point decrease the warm beneath the pan until the rice is cooked. You can read in detail about how to cook long-grain brown rice from the Merry Mantra website