This classic green bean casserole is creamy, cozy, and topped with golden crispy onions. It’s the ultimate make-ahead holiday side dish that never fails to impress — simple ingredients, quick prep, and a comforting flavor that brings everyone back for seconds.
Course Side Dish
Cuisine American
Prep Time 10 minutesminutes
Cook Time 37 minutesminutes
Servings 6
Ingredients
Green Beans
Fresh: about 1 poundtrimmed and blanched
Frozen: about 16 ounces1 standard bag, thawed and drained
Canned: 2 cans14.5 ounces each, drained
Other Ingredients
1can10.5 oz condensed cream of mushroom soup
¾cupmilk
1teaspoonsoy sauce
½teaspoonseasoned salt
¼teaspoonblack pepper
1 ⅓cupscrispy fried onionsdivided
1cupshredded cheddar cheeseoptional for a cheesy version
Instructions
Preheat the oven
Preheat oven to 350°F (177°C). Lightly grease a 2-quart baking dish.
Prepare the green beans:
Fresh: Trim ends and blanch in boiling water for 6–7 minutes, then drain.
Frozen: Thaw completely and drain excess moisture.
Canned: Drain and pat dry.
Combine Ingredients
In a large mixing bowl, combine the cream of mushroom soup, milk, soy sauce, black pepper, and seasoned salt.
Add the green beans and stir to coat evenly. Mix in 2/3 of the crispy fried onions and the cheddar cheese (if using).
Transfer the mixture to the prepared baking dish and spread evenly.
Bake
Bake uncovered for 30–35 minutes, or until hot and bubbly.
Top with remaining onions and bake another 10 minutes, or until the topping is golden and crisp.
Serve warm and enjoy every creamy, crunchy bite.
Notes
Make-Ahead: Assemble the casserole (without topping) up to 48 hours in advance. Refrigerate, then bake as directed, adding 5–10 minutes to the bake time.Freezer Option: Freeze before baking for up to 1 month. Thaw overnight, bake covered for 35 minutes, then uncover to crisp the topping.Fresh Beans Tip: Blanch fresh green beans to maintain that bright color and tender-crisp texture.Serving Idea: Sprinkle a handful of extra crispy onions right before serving for extra crunch