Emerald tofu: raw materials: half a catty of tofu, half a catty of lettuce, ginger 15g, a little monosodium glutamate and a little refined salt. Practice: 1. Wash the lettuce first, then cut it into 4 cm long pieces. Ginger needs to be shredded. Finally, cut the tofu into 1cm thickness. 2. When the oil is hot, add some shredded ginger and stir-fry until it is fragrant. Put lettuce in half a bowl of water, cover it and cook for two minutes, then add tofu, add a little monosodium glutamate and a little salt, and finally stir it gently for a few times.