Preparing the salmon: Empty the contents of the tube of salmon cubes into a bowl.
Mixing the ingredients: In the bowl with the salmon, add the chopped red onion, capers, lemon juice, fresh dill, and olive oil. Season with salt and pepper to taste. Gently mix to coat the salmon with all the ingredients.
Serving: Serve the salmon tartare very fresh, accompanied by slices of toasted bread or crackers. You can also present it with a small green salad for a touch of freshness.