Easy Smoked Trout Mousse (Keto Appetizer)

Lunch, Seafood

March 9, 2026

Craving an appetizer that’s both effortlessly elegant and incredibly simple? This Smoked Trout Mousse is your answer. In just a few minutes, you can whip up a creamy, smoky, and savory spread that’s perfect for parties, a light lunch, or a sophisticated snack. This recipe yields about 1 cup, perfect for 3-4 appetizer servings, and is a restaurant-quality dish you can make right in your own kitchen!

Ingredients

• 4 ounces / 113g smoked trout, skin removed
• 4 ounces / 113g cream cheese, softened
• 2 tbsp / 30ml onion, finely grated
• 2 tbsp / 30ml fresh lemon juice
• ½ tsp / 2.5ml Worcestershire sauce
• ½ tsp / 2.5ml freshly ground black pepper
• Tabasco or other hot sauce, to taste
• 1 small cucumber, sliced into ¼-inch rounds
• Fresh chopped chives, for garnish

Instructions

1. Preparation
2. Combine the smoked trout, softened cream cheese, grated onion, lemon juice, Worcestershire sauce, and black pepper in the bowl of a food processor or a high-powered blender.
3. Blend the mixture on high speed until it is completely smooth and creamy. Scrape down the sides of the bowl as needed to ensure everything is well combined.
4. Taste the mousse and add a few dashes of Tabasco to your preferred level of heat. If the mousse is too thick for your liking, blend in another teaspoon of lemon juice until you reach the desired consistency.
5. Arrange the cucumber slices on a serving platter.
6. Carefully spoon or pipe about a teaspoon of the smoked trout mousse onto each cucumber slice. Garnish generously with fresh chopped chives and serve immediately.

Nutritional Information

• Note: Information is estimated per serving, based on 4 servings.
• Calories: 29
• Fat: 2.0g
• Carbohydrate: 0.8g
• Dietary Fiber: 0g
• Net Carbs: 0.8g
• Protein: 2.0g

Pro Tips

• This mousse can be made up to 2 days in advance. Store it in an airtight container in the refrigerator. The flavors will meld and deepen overnight.
• For a chunkier, more rustic texture, gently pulse the in the food processor instead of blending until completely smooth.
• Serve with keto-friendly crackers, celery sticks, or bell pepper strips as an alternative to cucumber slices.
• Add a tablespoon of fresh dill or a teaspoon of prepared horseradish along with the other for an extra layer of vibrant flavor.

FAQ

Q: Can I make this smoked trout mousse ahead of time
A: Yes, this mousse can be made up to 2 days in advance. Store it in an airtight container in the refrigerator. The flavors will actually meld and deepen overnight.

Q: What can I serve with smoked trout mousse
A: The recipe suggests serving the mousse on cucumber slices. For other low-carb and keto-friendly alternatives, you can use celery sticks, bell pepper strips, or keto crackers.

Q: How can I change the texture of the mousse
A: For a completely smooth and creamy texture, blend the ingredients on high. If you prefer a chunkier, more rustic texture, gently pulse the ingredients in the food processor instead of blending until smooth.

Q: Is this smoked trout mousse keto-friendly
A: Yes, with only 0.8g of net carbs per serving, this recipe is very keto-friendly. Serving it with the suggested cucumber slices, celery, or bell peppers keeps the entire appetizer low in carbohydrates.

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