Creamy Mushroom-Potato Bake

Prep: 15 min Cook: 25 min Serves: 6 Cuisine: American

A creamy mushroom and potato bake with savory flavors, perfect for comforting dinners or family gatherings, featuring tender potatoes, sautéed mushrooms, and cheesy topping.

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Ingredients

  • 2 1/2 to 3 lb. white potatoes, peeled
  • 1 medium onion, finely chopped
  • 1/2 lb. fresh mushrooms, chopped
  • 3 Tbsp. butter or margarine, divided
  • 1/2 cup sour cream
  • 1/2 teaspoon salt
  • 1/4 teaspoon pepper
  • 1/4 cup grated Parmesan cheese

Instructions

  1. Cook potatoes in salted water until tender; drain and mash without adding butter or milk.
  2. In a skillet, sauté onion and mushrooms in 2 tablespoons butter for 3 to 4 minutes until just tender.
  3. Stir the sautéed mixture into the mashed potatoes along with sour cream, salt, and pepper.
  4. Spoon the mixture into a greased 2-quart baking dish.
  5. Sprinkle grated Parmesan cheese on top and dot with remaining butter.
  6. Bake uncovered at 400°F (200°C) for 20 to 25 minutes until heated through and golden brown.

Tips & Substitutions

For a creamier texture, consider adding a splash of milk or cream to the mashed potatoes before mixing in the other ingredients. If you have leftover cooked potatoes, feel free to use them; just skip the boiling step. You can also substitute different cheeses like cheddar or Gruyère for a unique flavor twist.

Serving Suggestions

This creamy mushroom-potato bake pairs beautifully with a fresh Bixby Salad for a complete meal. You can serve it alongside grilled chicken or roasted vegetables for added protein and nutrition. It also makes a comforting side dish for holiday gatherings or dinner parties.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply place in a preheated oven at 350°F (175°C) for about 15-20 minutes, or until warmed through. You can also microwave individual portions for a quick meal.

Nutrition & Diet Analysis (per serving)

Each serving of Creamy Mushroom-Potato Bake contains roughly 100 calories, with 7g protein, 15g carbohydrates, and 2g fat. It is a good source of vitamin C (16% of the Daily Value), protein (13% of the Daily Value), and calcium (11% of the Daily Value). Note that it is relatively high in sodium, at 1367mg per serving (59% of the Daily Value).

100 kcal 5% DV
Protein Fat Carbs

Macronutrients

Protein 6.5g 13% DV
Total Fat 1.9g 2% DV
Carbs 14.7g 5% DV
Fiber 0.9g 3% DV
Sugar 1.4g 3% DV

Electrolytes

Sodium 1367.4mg 59% DV
Potassium 231.8mg 5% DV
Cholesterol 6.4mg 2% DV

Vitamins & Minerals

Vitamin A 37.3mcg 4% DV
Vitamin C 14.4mg 16% DV
Vitamin D 0mcg
Calcium 138.1mg 11% DV
Iron 0.8mg 4% DV
Diet fit Low-carb Under 400 cal Low-fat
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 use different types of potatoes for this recipe?

Yes, you can use Yukon Gold or red potatoes if you prefer. These varieties will give a slightly different flavor and texture, but they will work well in this creamy bake.

Is it possible to make this dish ahead of time?

Absolutely! You can prepare the dish up to the baking step, cover it tightly, and refrigerate for up to 24 hours. When ready to bake, just add a few extra minutes to the cooking time.

Can I add protein to this dish?

Definitely! You can mix in cooked chicken, turkey, or even crumbled sausage for added flavor and protein. Just ensure they are cooked thoroughly before mixing with the potato mixture.

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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