Potato Field Lunch Casserole

Prep: 15 min Cook: 60 min Serves: 8 Cuisine: American

A hearty potato casserole featuring tender sliced potatoes baked with a savory onion soup mixture, perfect for family dinners and comfort food lovers.

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Ingredients

  • 5 pounds baking potatoes
  • 1/2 cup butter or margarine
  • 1 cup water
  • 1 package (1 oz.) dry onion soup mix

Instructions

  1. Arrange sliced potatoes in a greased 13 x 9 x 2-inch baking dish.
  2. Combine butter, water, and dry onion soup mix in a saucepan.
  3. Bring the mixture to a boil.
  4. Pour the hot mixture over the potatoes.
  5. Cover the dish tightly with foil.
  6. Bake at 350°F for 1 hour.

Tips & Substitutions

For best results, choose starchy baking potatoes like Russets, as they create a fluffy texture. If you're short on time, consider using pre-sliced frozen potatoes. Adding shredded cheese before baking can enhance flavor, or for a richer taste, substitute half the butter with cream cheese. If you want a bit of heat, throw in some diced jalapeños or a sprinkle of cayenne pepper.

Serving Suggestions

This Potato Field Lunch Casserole pairs beautifully with a fresh green salad or steamed vegetables for a complete meal. Consider serving it alongside grilled meats or roasted chicken for added protein. For a comforting dessert, follow up with Luscious Pineapple Squares to round out your meal.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 4 days. To reheat, cover the casserole with foil and warm it in an oven at 350°F until heated through, about 20-30 minutes. You can also microwave individual portions, but cover them to retain moisture.

Nutrition & Diet Analysis (per serving)

Each serving of Potato Field Lunch Casserole contains roughly 245 calories, with 3g protein, 13g carbohydrates, and 20g fat. Note that it is relatively high in sodium, at 951mg per serving (41% of the Daily Value).

245 kcal 12% DV
Protein Fat Carbs

Macronutrients

Protein 2.8g 6% DV
Total Fat 20.4g 26% DV
Carbs 13g 5% DV
Fiber 1g 4% DV
Sugar 0g

Electrolytes

Sodium 950.5mg 41% DV
Potassium 122.5mg 3% DV
Cholesterol 60mg 20% DV

Vitamins & Minerals

Vitamin A 15mcg 2% DV
Vitamin C 1.3mg 1% DV
Calcium 37.5mg 3% DV
Iron 0.7mg 4% DV
Diet fit Low-carb Under 400 cal
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can prepare the casserole a day in advance. Just assemble it, cover tightly with foil, and refrigerate. Before baking, allow it to sit at room temperature for about 30 minutes and then bake as directed.

What can I substitute for the onion soup mix?

If you don't have onion soup mix, you can use a blend of dried onions, garlic powder, and some salt and pepper. Mixing in a tablespoon of beef or vegetable bouillon can also provide a similar flavor boost.

Can I add other vegetables to this casserole?

Absolutely! You can mix in cooked broccoli, bell peppers, or even corn for added nutrition and flavor. Just be sure to adjust the baking time slightly if you add more moisture-rich ingredients.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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