I need some help in making a contact.php form

I am trying to create a contact.php that sends me an email after someone fills up a form. I have the input name=“food” value=“Bad” type=“radio” and so on for other variables. I want to make them required and to then be included in my email. that is then sent to me.
How would i need to code my contact.php to include my email address so that it only sends it to me and then includes these variables such as
How was the food ? = $food
So if I get 3 stars it says
How was the food ? : Good
Thanks in advance