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 Mom'S Thanksgiving Broccoli Casserole?

You need 11 ingredients. The key ingredients include: 6 -8 yellow onions, chopped, 4 lbs frozen broccoli cuts, 16 ounces cream cheese, 1 1/2 cups unsalted butter, and more.

Is Mom'S Thanksgiving Broccoli Casserole suitable as vegetarian?

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

How do I store leftover Mom'S Thanksgiving Broccoli Casserole?

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

Mom'S Thanksgiving Broccoli Casserole Recipe

Name: Mom'S Thanksgiving Broccoli Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 6 -8 yellow onions, chopped; 4 lbs frozen broccoli cuts; 16 ounces cream cheese; 1 1/2 cups unsalted butter; 1/2 cup flour; 3 cups milk; 1 loaf stale bread, crust removed, cut into small bite sized pieces; 1 teaspoon salt; 1 teaspoon pepper; 1 tablespoon garlic powder; 2 cups parmesan cheese

Try this homemade Mom'S Thanksgiving Broccoli Casserole recipe the whole family will love. Made with yellow onions, frozen broccoli cuts, cream cheese a…

This Mom'S Thanksgiving Broccoli Casserole relies on simple, everyday ingredients such as yellow onions, chopped, frozen broccoli cuts, cream cheese and unsalted butter. It comes together quickly and makes 4 servings, at about 1601 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

1601

kcal

Calories

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.
A good 1:1 gluten-free flour blend works well if you need a gluten-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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Mom'S Thanksgiving Broccoli Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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