Heat up a skillet on high heat and add the oil. As soon as the oil is heated, add the garlic into the skillet and start stirring until you smell the aroma of the garlic. Add the shrimp and the tofu pieces into the skillet and continue stirring.
Use the spatula to push the noodles to one side of the skillet, and crack the egg on the empty side of the skillet. Use the spatula to break the egg yolk and blend with the egg white, let cook for about 30 seconds.
Next, add the bean sprouts and chives and continue stirring. As soon as the bean sprouts are cooked, stir-in the crushed peanut. Turn off the heat and serve the Pad Thai immediately with the lime wedges.