First, I preheat the oven so it’s nice and hot before anything goes in. I lightly grease my casserole dish so the casserole doesn’t stick. While the oven warms, I drain the cans of green beans and diced potatoes — this removes excess liquid that could make the casserole watery.
Next, I combine the drained green beans, diced potatoes, shredded Colby cheese, and condensed cream of chicken soup in a large bowl. I give it a good stir so every piece of potato and bean is coated in the creamy mixture. It already smells delicious at this point!
I pour everything into the prepared casserole dish and pop it into the preheated oven. I cover it and bake for about 30 minutes, then uncover and bake another 15 until it’s bubbly and the cheese starts to brown. The result is a creamy, cheesy layer with soft veggies underneath.