Module 17 · The Cheese Course
Gorgonzola & Walnut Stuffed Portobello Mushrooms
Gorgonzola & Walnut Stuffed Portobello Mushrooms is a keto dinner with 5.3 g net carbs, 14 g protein and 29 g fat per serving (338 kcal). It serves 4 and takes 25 minutes in total.
Big, meaty portobellos filled with creamy Gorgonzola, walnuts and thyme, roasted until bubbling. A starter, or a vegetarian main with a green salad.

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Allergens in this Ketogeni recipe: milk, tree nuts. Includes listed optional alternatives; check actual ingredient labels and substitutions.
Yield: 4 servings · Active time: 10 min · Total time: 25 min
| Per serving | Amount |
|---|---|
| Net carbohydrates | 5.3 g |
| Protein | 14 g |
| Fat | 29 g |
| Energy | 338 kcal |
| Vitamin D | 0.2 µg |
| Calcium | 258 mg |
| Omega-3 (EPA + DHA) | 0 g |
Nutrition figures are estimates, not medical advice. Check ingredient labels and weigh your own portions, especially when tracking a strict daily carbohydrate limit. How to interpret these estimates.
Ingredients
- 4 piece large organic portobello mushrooms (400 g)
- 150 g Gorgonzola dolce
- 50 g organic cream cheese
- 40 g organic walnuts, chopped
- 1 piece organic garlic clove
- 1 tsp organic thyme leaves
- 2 tbsp organic olive oil
- 120 g organic rocket
Step-by-step method
- Heat the oven to 200 °C (fan 180 °C). Remove the mushroom stems and chop them.
- Brush the caps with oil and roast gill-side up for 8 minutes.
- Mix Gorgonzola, cream cheese, chopped stems, garlic, thyme and most of the walnuts.
- Fill the caps, top with the rest of the walnuts and roast 10 minutes more.
- Serve on rocket.
Chef’s tips
- Pre-roasting stops the mushrooms leaking into the filling.
Variations
- Use goat cheese.
- Add crispy pancetta.
Storage
Best freshly baked.
Questions and answers
How many net carbs are in Gorgonzola & Walnut Stuffed Portobello Mushrooms?
One serving has 5.3 g net carbohydrates, 14 g protein and 29 g fat (338 kcal). The recipe makes 4 servings. These figures are estimates; your own ingredients may differ.
Can I make Gorgonzola & Walnut Stuffed Portobello Mushrooms ahead, store or freeze it?
Best freshly baked.
Which allergens are in Gorgonzola & Walnut Stuffed Portobello Mushrooms?
It contains milk and tree nuts, as listed by Ketogeni for this recipe. Always check the labels of the products you use.
Is Gorgonzola & Walnut Stuffed Portobello Mushrooms vegetarian?
Yes. The recipe contains no meat or fish.
Can I vary Gorgonzola & Walnut Stuffed Portobello Mushrooms?
Yes. Use goat cheese. Add crispy pancetta.
