Grilled Portobello Steaks With Chimichurri & Onion Strings

Grilled Portobello Steaks With Chimichurri & Onion Strings Recipe

By Hot For Food

🔪Prep Time: 30 minutes

👩‍🍳Cook Time: 20 minutes


chimichurri (makes 1 cup)

2 tbsp finely chopped shallots

1/2 C finely chopped packed flat leaf parsley

4 garlic cloves, minced

1 tbsp finely chopped fresh oregano (or 2 tsp dried oregano)

2 tbsp red wine vinegar

2 tbsp lemon juice

1/3 C olive oil

1 to 2 tsp spicy red chili such as bird’s eye chili, finely minced or red chili flakes (to taste)

sea salt and ground black pepper, to taste

grilled portobello steaks

6 portobello mushroom caps

1/2 C vegetable oil

2 tbsp low-sodium soy sauce or tamari

2 tsp liquid smoke

mushroom “steak” spice

2 tbsp mustard seed, slightly crushed in mortar & pestle

2 tbsp granulated garlic

2 tbsp dill weed

2 tbsp brown sugar

2 tsp kosher salt

2 tsp dried minced onion flakes

2 tsp dried minced garlic flakes

2 tsp whole black peppercorns, crushed in mortar & pestle (or ground black pepper)


1Make the chimichurri by combining all the ingredients in a bowl. Refrigerate while you prepare the portobello steaks and onion strings. Don’t make this too far in advance as it will brown.

2Trim the stems from the mushroom caps.

3In a small bowl combine vegetable oil, low-sodium soy sauce, and liquid smoke.

4Combine all of the mushroom steak spices in a separate bowl big enough to fit the mushroom caps.

5Brush the oil mixture over each portobello mushroom on each side. Then coat both sides in the steak spice covering it thoroughly. Repeat with remaining mushrooms. Place them on a baking sheet or platter.

6Heat a cast iron grill pan over medium-high heat. When hot, place 2 to 3 mushrooms top down and grill for 2 minutes. Turn the mushrooms slightly about 45 degrees to get cross hatched grill marks. Grill for another 2 minutes. Flip and grill the underside of the mushroom for 2 minutes. Turn the mushrooms slightly and cook for another 2 minutes. Set aside to let the mushrooms rest.

7If you have another cast iron, you can place it on top of the mushrooms while grilling to help press the moisture out. See the video tutorial above for further instructions.

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