The menu at your afternoon get-together need not be fussy. Whole-grain crackers stand in for traditional tea sandwiches. Salmon salad is a healthy topping.
Mix together yogurt and chives.
Season salmon with salt and steam until just cooked through, 8 to 10 minutes. Let cool, remove and discard skin, and flake in a medium bowl.
Stir in smoked salmon and yogurt mixture.