I made this in my 2.5 quart casserole slow cooker. You can also make this in a 5 quart oval slow cooker.
To make in oven, bake at 375 degrees for about 15-20 minutes or until tater tots are crispy and cheese is melted and the filling starts to bubble,
Leftovers will keep up to 3 days in fridge.
Can substitute a packet of ranch dressing mix if you don't want to make homemade seasoning.