Cheddar-Stuffed Mushrooms

Prep: 15 min Cook: 20 min Serves: 6 Cuisine: American

Cheddar-Stuffed Mushrooms are savory bites filled with cheese, walnuts, and herbs, perfect for appetizers or entertaining guests with rich, earthy flavors.

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Ingredients

  • 18 to 20 fresh mushrooms
  • 2 Tbsp. melted butter or margarine
  • 1/2 cup chopped onion
  • 1/4 cup melted butter or margarine
  • 1 cup soft breadcrumbs
  • 1 cup (4 oz.) shredded Cheddar cheese
  • 1/2 cup chopped walnuts
  • 1/4 cup chopped fresh parsley
  • 1/2 tsp. salt

Instructions

  1. Clean the mushrooms and remove the stems, chopping them and setting aside.
  2. Brush mushroom caps with 2 tablespoons melted butter and place in a lightly buttered shallow baking pan.
  3. Saute chopped onion and mushroom stems in 1/4 cup melted butter over medium heat until tender.
  4. Remove from heat and mix in breadcrumbs, shredded Cheddar cheese, chopped walnuts, chopped parsley, and salt.
  5. Spoon the cheese mixture into the mushroom caps.
  6. Bake uncovered at 350°F for 20 minutes or until the cheese melts and mushrooms are thoroughly heated.

Tips & Substitutions

For added flavor, consider using garlic or Italian seasoning in the stuffing mixture. If you want a lighter option, substitute the butter with olive oil. For a gluten-free version, use gluten-free breadcrumbs. You can also experiment with different cheeses like mozzarella or goat cheese for a unique twist.

Serving Suggestions

These Cheddar-Stuffed Mushrooms make a fantastic appetizer at parties or family gatherings. Serve them alongside a refreshing Sweet Onion Salad for a delightful contrast. They also pair beautifully with a simple green salad or can be enjoyed as a savory snack during movie nights.

Storage & Reheating

Store leftover stuffed mushrooms in an airtight container in the refrigerator for up to 3 days. To reheat, place them in a preheated oven at 350°F for about 10-15 minutes until warmed through. You can also microwave them on medium heat for a quicker option, but they may lose some texture.

Nutrition & Diet Analysis (per serving)

Each serving of Cheddar-Stuffed Mushrooms contains roughly 591 calories, with 21g protein, 55g carbohydrates, and 35g fat. It is an excellent source of vitamin C (284% of the Daily Value), dietary fiber (55% of the Daily Value), and vitamin D (53% of the Daily Value), and a good source of vitamin A. Note that it is relatively high in sodium, at 686mg per serving (30% of the Daily Value).

591 kcal 30% DV
Protein Fat Carbs

Macronutrients

Protein 20.9g 42% DV
Total Fat 35g 45% DV
Carbs 55.5g 20% DV
Fiber 15.3g 55% DV
Sugar 10.6g 21% DV

Electrolytes

Sodium 685.9mg 30% DV
Potassium 1223.5mg 26% DV
Cholesterol 49.8mg 17% DV

Vitamins & Minerals

Vitamin A 123.5mcg 14% DV
Vitamin C 255.6mg 100% DV
Vitamin D 10.6mcg 53% DV
Calcium 338.2mg 26% DV
Iron 5.4mg 30% DV
Diet fit High-protein High-fiber
Contains Milk Wheat/Gluten Tree nuts

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 prepare the stuffed mushrooms ahead of time?

Yes, you can prepare the stuffed mushrooms in advance. Assemble them up to a day ahead, cover, and refrigerate. Just add a few extra minutes to the baking time if they go in the oven cold.

What can I use instead of walnuts?

If you have nut allergies or simply prefer a different flavor, you can substitute walnuts with pecans, sunflower seeds, or omit them entirely. The stuffing will still be delicious without the nuts.

Can I freeze the stuffed mushrooms?

Yes, you can freeze the stuffed mushrooms before baking. Arrange them on a baking sheet to freeze individually, then transfer to a freezer bag. Bake from frozen at 350°F for 25-30 minutes or until heated through.

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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