How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Karen'S Broccoli Casserole?

You need 10 ingredients. The key ingredients include: 1 c. water, 1 c. instant rice, 1/4 c. onion, chopped, 1 can cream of mushroom soup, and more.

Is Karen'S Broccoli Casserole suitable as vegetarian?

Yes, Karen'S Broccoli Casserole falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Karen'S Broccoli Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Karen'S Broccoli Casserole Recipe

Name: Karen'S Broccoli Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 c. water; 1 c. instant rice; 1/4 c. onion, chopped; 1 can cream of mushroom soup; 1 can cream of celery soup; 1 pkg. frozen chopped broccoli; 1/2 c. diced processed American cheese; 1/2 tsp. salt; 1/4 c. butter or margarine; 1/4 c. celery, chopped

Try this homemade Karen'S Broccoli Casserole recipe the whole family will love. Made with water, instant rice, onion and cream of mushroom soup. Easy st…

This Karen'S Broccoli Casserole relies on simple, everyday ingredients such as water, instant rice, onion, chopped and cream of mushroom soup. It comes together quickly and makes 4 servings, at about 508 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Vegetarian

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

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Karen'S Broccoli Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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