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 Slow Cooker Casserole?

You need 12 ingredients. The key ingredients include: 1 1/2 lbs ground beef (lean), 3 medium potatoes, sliced thinly, 1/2 cup sliced mushrooms, 1/2 cup sliced celery, and more.

Is Slow Cooker Casserole suitable as soups & stews?

Yes, Slow Cooker Casserole falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover Slow Cooker Casserole?

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

Slow Cooker Casserole Recipe

Name: Slow Cooker Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 1/2 lbs ground beef (lean); 3 medium potatoes, sliced thinly; 1/2 cup sliced mushrooms; 1/2 cup sliced celery; 1 large onion, sliced thinly; 3 carrots, sliced thinly; 1 1/2 cups frozen vegetables (can used mixed or whatever you have on hand); 1 (10 ml) can tomato soup; 2 teaspoons beef bouillon powder; 1/2 cup water; 1/4 cup ketchup; salt and pepper

Try this homemade Slow Cooker Casserole recipe the whole family will love. Made with ground beef, potatoes, mushrooms and celery. Easy step-by-step inst…

This Slow Cooker Casserole relies on simple, everyday ingredients such as ground beef (lean), sliced mushrooms, sliced celery and large onion, sliced thinly. It comes together quickly and makes 4 servings, at about 556 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

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

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

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

My Personal Notes

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Slow Cooker Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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