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 Easy Mexican Casserole(Can Be Made Ahead Of Time) ?

You need 11 ingredients. The key ingredients include: 1 (10 oz.) pkg. frozen spinach, 1 1/2 lb. lean ground beef, 1 medium onion, chopped, 1 (16 oz.) can tomatoes, and more.

Is Easy Mexican Casserole(Can Be Made Ahead Of Time) suitable as soups & stews?

Yes, Easy Mexican Casserole(Can Be Made Ahead Of Time) falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover Easy Mexican Casserole(Can Be Made Ahead Of Time) ?

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

Easy Mexican Casserole(Can Be Made Ahead Of Time)

Name: Easy Mexican Casserole(Can Be Made Ahead Of Time)
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 (10 oz.) pkg. frozen spinach; 1 1/2 lb. lean ground beef; 1 medium onion, chopped; 1 (16 oz.) can tomatoes; 2 (10 3/4 oz. each) cans mushroom soup, undiluted; 1 (8 oz.) container dairy sour cream; 1 tsp. garlic salt; 12 corn tortillas; 1/2 c. butter, melted; 1 (4 oz.) can chopped green chilies; 2 1/2 c. (10 oz.) shredded Cheddar cheese

Try this homemade Easy Mexican Casserole(Can Be Made Ahead Of Time) recipe the whole family will love. Made with frozen spinach, lean ground beef, onion…

This Easy Mexican Casserole(Can Be Made Ahead Of Time) relies on simple, everyday ingredients such as (10 oz.) pkg. frozen spinach, lean ground beef, medium onion, chopped and (16 oz.) can tomatoes. It comes together quickly and makes 4 servings, at about 1588 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.

Updated Jun 30, 2026

Serves 4 Soups & Stews

1588

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.
Coconut cream is a reliable plant-based alternative to dairy cream.

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

My Personal Notes

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Easy Mexican Casserole(Can Be Made Ahead Of Time)

Tips for the best results

Variations & substitutions

My Personal Notes

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