German Meatballs in White Sauce (Königsberger Klopse)

Ingredients

• 2 tablespoons all-purpose flourTBD
• 2 to 4 tablespoons sour creamTBD
• 24 capers (drained)TBD
• 1 to 2 large egg yolksHIGH
• for the sauce:TBD
• 2 tablespoons butterHIGH
• 5 peppercorns (whole, cracked)TBD
• for the meatballs:TBD
• 2 slices bread (day-old)TBD
• 1 to 2 tablespoons lemon juiceTBD
• 1/4 teaspoon pepperTBD
• 1 tablespoon butterHIGH
• optional: pinch sugarTBD
• 1/2 pound ground porkTBD
• 1/2 teaspoon saltTBD
• 2 small onions (1 chopped fine, 1 quartered)TBD
• optional: 1 bay leafTBD
• 2 to 4 ounces white wine (or broth)TBD
• 4 cups broth (vegetable or beef)TBD
• 1/2 pound ground beefTBD
• optional: 4 juniper berries (cracked)TBD