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Stuffed Portabella Mushrooms with Prosciutto

GF Recipe Summary

Gluten-Free Stuffed Portabella Mushrooms with Prosciutto: A flavorful and easy to prepare appetizer featuring Baby Portabella mushrooms and Prosciutto

A combination of flavors and textures that is bound to satisfy. Slightly sweet, a bit spicy and tangy, and even a slight bit salty from the Prosciutto, these stuffed baby portabella mushroom caps feature a variety of textures to match the complex flavor — crunchiness of water chestnuts to the meatiness of the mushroom cap.

Gluten-Free Recipe Card and Pictures

Gluten-Free Stuffed Portabella Mushrooms with Prosciutto
(above) Center-View of Finished Baked Mushroom

6 oz Baby Portabella Caps (should be six mushrooms), cleaned and stems removed (reserve stems for stuffing mixture).

Stuffing / Filling
6 Mushroom Stems
1 Medium Sweet Onion
1 Garlic Clove
8 Oz Sliced Water Chestnuts, rinsed and drained
2 Oz Finely-Diced Prosciutto
1 Egg, beaten
⅛ Teaspoon Salt
⅛ Teaspoon Ground Black Pepper
Note: for simplicity, I bought my Prosciutto pre-diced in a small 4 oz container.

¼ Cup Ketchup
2 Tablespoons Packed Brown Sugar
1 Tablespoon Wheat-Free Tamari
1 Tablespoon Honey
  Several Drops of Chipotle Tabasco (optional)


Wash mushrooms and remove stems. Place stems in a food processor. Coat a Pyrex baking dish with cooking spray; add washed mushrooms.

Place onion and garlic in food processor with mushroom stems and blend. Add water chestnuts and lightly blend (leaving larger chunks). Add beaten egg and Prosciutto, salt and pepper, stir (do not blend in food processor). Mound stuffing into each mushroom cap. Extra stuffing can be spread around the bottom of the Pyrex dish.

In bowl, combine all sauce ingredients; mix. Divide sauce over top of mushroom caps.

Bake in 375° oven for 50 minutes. Remove from oven and enjoy!

Whole Baked Mushroom
Gluten Free Stuffed Portabella Mushrooms with Prosciutto

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