Combine the drained tuna, mayonnaise, and cream cheese in a mixing bowl. Stir until smooth and well-blended.
Mix thoroughly with the fresh lemon juice and Dijon mustard to the tuna mixture.
Fold in the chopped red onion, capers, and fresh parsley until evenly distributed throughout the spread—season with salt and pepper to taste.
Place the baguette slices on a baking sheet and toast them in the oven at 350°F (175°C) until golden brown and crispy, about 5-7 minutes.
Once the toasts have cooled slightly, generously spread the tuna mixture onto each slice.
Garnish with additional parsley or chives for a touch of colour and freshness.
Prep: 15 minutes
Cook: 7 minutes
Total Time: 22 minutes
Servings: Makes about 24 canapésCooking Time: 7 minutesTotal Time: 22 minutesKcal: Approximately 50 kcal per canapé