01 -
Start by warming up your oven to 350°F. Spray a 9x13 baking dish liberally with non-stick spray.
02 -
Take a big mixing bowl and stir together the thawed green beans, cheddar soup, some milk, the dried onions, and all the seasonings.
03 -
Mix the shredded parmesan and cheddar into the green bean mixture, spreading them evenly.
04 -
Spoon the green bean and cheese mix into the greased baking dish. Smooth it out into one layer.
05 -
Take the cheddar biscuit mix and combine it with the shredded cheese in a separate bowl. Keep the included seasoning packet aside.
06 -
Pour milk into the bowl and gently stir until no large chunks remain in the batter.
07 -
Carefully cover the green bean layer with the prepared biscuit batter using an even pour.
08 -
Place the dish in the oven uncovered and bake for about 50-55 minutes, or until you see a golden crust on top.
09 -
As the casserole cooks, stir the saved seasoning packet into the melted butter.
10 -
When the casserole’s out of the oven, give the biscuit top a generous brush with the seasoned butter.
11 -
Let the casserole sit and soak in the butter for a good 5 minutes before serving.