pass you the ingredients, helping to wash some dishes or having ready the dinner table at the required time; you do not need to give them a knife or something dangerous just simple task: wash the vegetables, mixing the ingredients and so on.
a different thing can be to try here too. what about building something with dad or not necessarily building but fixing? you can teach your little one how things work and how are they made, she or he can pass you some materials, as long as they are not harmful. she or he can help you clean, get ready the surface, put the lights on and whatever other 