Smoked Salmon Latkes

Name: Smoked Salmon Latkes
Ingredients: For the Latkes; 1 Small White Onion; 2 Small Garlic Cloves; 1 Large Baking Potato; Sea Salt; 2 Large Eggs; 40 grams Plain Flour; 1/2 teaspoon Baking Powder; 3 Slices Smoked Salmon; Light Olive Oil; For the Soured Cream; 100 grams Soured Cream; 1/2 tablespoon Capers; 1/2 Lemon; Dill or Chives, to garnish