Tasty Bean Bacon Casserole

Featured in: Family-Friendly Dinners Everyone Will Love

This kicked-up bean dish blends fresh components with traditional favorites for a more indulgent version. Includes crispy bacon, freshly sautéed mushrooms and gooey cheese.

A woman in a kitchen with a stove and oven.
Updated on Fri, 25 Apr 2025 18:45:35 GMT
A golden-brown dish filled with tender green beans in creamy sauce topped with crunchy fried onions. Pin it
A golden-brown dish filled with tender green beans in creamy sauce topped with crunchy fried onions. | cookingkitchn.com

I gotta tell you about my spin on Green Bean Casserole that has my relatives practically wrestling for another helping during family get-togethers. I've kicked our treasured favorite up a notch with crunchy bacon, sliced fresh mushrooms and stretchy Monterey Jack. Don't fret – I kept the essential elements like mushroom soup and those crunchy fried onions, but threw in some extra touches that make this version impossible to resist.

What Makes This Special

This ain't your grandma's green bean casserole. The bacon brings this wonderful smokiness while the fresh mushrooms add a natural flavor you can't duplicate. And once that Monterey Jack starts to melt... well, nobody's saving any for tomorrow. It's dead simple to put together but tastes like you've been cooking all day.

Must-Have Components

  • Bacon: You'll need six strips - the drippings become flavor heaven for sautéing everything else.
  • Onion: Grab whatever variety you've got in your kitchen drawer.
  • Button Mushrooms: Cut them into thin slices so they'll melt down perfectly.
  • Garlic: Nothing beats the taste of freshly minced cloves.
  • Cream of Mushroom Soup: The traditional foundation that brings it all together.
  • Milk: Whole milk creates the creamiest result but any type works fine.
  • Monterey Jack Cheese: This stuff melts beautifully without stealing the show.
  • Green Beans: The canned variety works perfectly when drained properly.
  • French Fried Onions: These crunchy little gems are absolutely essential.

Easy Preparation Method

Crisp Up Your Bacon
Cook those strips until they're nice and crunchy, making sure to keep all that flavorful fat. Chop the bacon after it cools down.
Soften The Vegetables
Add your onions, mushrooms and garlic straight into the bacon drippings. Cook until they're tender and smell amazing, then sprinkle with some salt and pepper.
Combine Everything
In a large bowl, stir together your soup, milk, cooked veggies, chopped bacon and that wonderful cheese. Gently mix in the green beans until they're completely covered.
Bake Until Bubbly
Transfer everything to your baking dish, sprinkle those crispy onions on top and cook at 350°F until it's hot and golden, around 25-30 minutes.
Serve It Up
Let it sit for a few minutes so you won't burn your mouth, then watch it vanish from the table.

Pro Suggestions

Don't rush the bacon cooking process, that fat will give flavor to everything else. For frozen beans, try a quick dip in boiling water first. My little trick? Wait to put those fried onions on just before you pop it in the oven to keep them extra crunchy. Need to save time? Put it together the evening before but wait to add the onion topping until you're ready to bake.

A close-up image of a green bean casserole topped with crispy fried onions and bits of bacon, served in a dish. Pin it
A close-up image of a green bean casserole topped with crispy fried onions and bits of bacon, served in a dish. | cookingkitchn.com

Personal Twists

Can't eat bacon? Just use some butter instead. Feel free to swap the cheese – try some sharp cheddar or smoky gouda. I sometimes grab fresh green beans when they're available at the market. Looking for more texture? Throw some toasted breadcrumbs into the mix. And don't forget fresh herbs work wonders in this dish, especially a bit of thyme.

Prep Plans and Keeping Leftovers

Need to work ahead? Mix up everything except the onion topping, cover it tightly and stick it in the fridge. The next day, just sprinkle on those crispy onions and bake about 5 minutes extra since it's starting off cold. Any leftovers will stay good for around 3 days in the fridge, but truthfully, at my place they never stick around that long.

Frequently Asked Questions

→ Can I prep this beforehand?

Absolutely, put it together minus the onions, then add them just before baking.

→ Will fresh beans work in this?

They sure will, just quickly blanch them till they're crisp-tender.

→ Why brown the mushrooms completely?

It creates richer taste and gets rid of extra water.

→ Is this good for freezing?

I wouldn't try it, your beans might turn mushy.

→ Can I swap out the cheese?

For sure, any cheese that melts nicely will do the trick.

Bean Bacon Casserole

A decadent twist on the traditional green bean dish packed with crispy bacon bits, freshly sautéed mushrooms and gooey Monterey Jack.

Prep Time
20 Minutes
Cook Time
30 Minutes
Total Time
50 Minutes
By: Sophia


Difficulty: Easy

Cuisine: American

Yield: 10 Servings (1)

Dietary: ~

Ingredients

01 6 pieces bacon.
02 1/2 onion, chopped.
03 1 1/2 cups mushrooms, sliced.
04 3 cloves garlic, crushed.
05 2 (10.5 oz) cans condensed mushroom soup.
06 1/4 cup milk.
07 1 cup Monterey Jack cheese, grated.
08 4 (14.5 oz) cans green beans, drained.
09 1 1/2 cups crunchy fried onions.
10 Salt and pepper as needed.

Instructions

Step 01

Heat your oven to 350°F and grease a 9x13 baking dish.

Step 02

Fry bacon till crispy then break into small bits.

Step 03

Sauté onions in the bacon fat until soft and clear.

Step 04

Toss in mushrooms and cook until they're browned nicely.

Step 05

Mix in garlic, soup cans, bacon crumbles, milk and cheese.

Step 06

Gently mix the green beans into everything.

Step 07

Sprinkle fried onions over the top.

Step 08

Pop in oven for 30 minutes until it bubbles.

Notes

  1. You can make this earlier in the day.
  2. Save the onion topping for right before baking.
  3. Make sure to really brown those mushrooms.
  4. This dish won't do well in the freezer.

Tools You'll Need

  • 9x13 casserole dish.
  • Big frying pan.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Milk products in cheese, milk and soup.
  • Wheat found in the crispy onions.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 213
  • Total Fat: 11 g
  • Total Carbohydrate: 19 g
  • Protein: 11 g