Name: Sardine Stuffed Mushrooms
Prep time: 10 min
Cook time: 35 min
Yield: 16
Cuisine: Seafood
Ingredients: 2 tbsp butter; 1 tbsp unsalted butter, melted; 2 cloves garlic, minced; Salt and pepper to taste; 2 tsp Old Bay seasoning; 1 tbsp lemon zest; 1 shallot, diced; ¼ tsp cayenne powder; ¾ cup cream cheese; ⅔ cup panko breadcrumbs; 16 crimini mushrooms, cleaned; 2 cups spinach, roughly chopped; 1 can (124g) Club des Millionnaires Skinless Boneless Sardines in Water, drained and roughly chopped; Fresh dill, to garnish

Sardine Stuffed Mushrooms

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By: Club des Millionnaires (via Millionairefish)

Last Updated: Mar 4, 2026

Prep: 10 mins

Cook: 35 mins

Yields: 16

Instructions

Preheat your oven to 400°F and line a baking sheet with parchment paper.
Destem your mushrooms. Finely chop the stems.
Melt butter in a skillet over medium-high heat. Add chopped mushroom stems and cook for 4-5 minutes, stirring frequently. Add the shallot, garlic and spinach and cook for 3 minutes or until fragrant. Add ⅓ cup of panko breadcrumbs and cook for another 5 minutes until toasted.
Add this mixture to a large mixing bowl, reserving a few tablespoons in a separate bowl. Add the cream cheese, cayenne, Old Bay seasoning and sardines and mix everything together.
Arrange your mushroom caps on the baking sheet and evenly fill each one with the filling.

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Sardine Stuffed Mushrooms

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