01 -
Turn the oven on to heat at 350°F (175°C).
02 -
Grab a big bowl and toss in the sour cream, cheddar, Pepper Jack, and cooked rice. Mix everything together thoroughly.
03 -
Spread some grease inside a dish for baking. Move the cheesy rice mixture into it and even it out.
04 -
Put it in the oven for 25-30 minutes, until the cheesy topping bubbles and melts.
05 -
Take the casserole out, let it cool for a few minutes, and enjoy it warm.