Blinis with smoked salmon

Name: Blinis with smoked salmon
Prep time: 20 min
Cook time: 15 min
Total time: 35 min
Cuisine: European, American
Ingredients: 1 cup (150g) plain flour; 1 tablespoon caster sugar; 3 teaspoon baking powder; 1 pinch salt; 2/3 cup (180ml) milk; 1 egg; 50 gram unsalted butter, melted; 250 gram smoked salmon, cut into strips; 250 gram sour cream or creme fraiche; 1 tablespoon finely chopped fresh chives; salmon roe, for serving