Swedish Meatballs - Buona Vita

Ingredients

• 1 lb Buona Vita Swedish Beef Meatballs, baked at 350° for 20 minutes or until heated through
• 3 Tbsp. Butter
• 3 Tbsp. Flour
• 2 cups Beef stock
• 1/4 cup Sour cream (use full-fat sour cream or the sauce may curdle)
• Salt and pepper to taste
• 2 Tbsp. Lingonberry, red currant, raspberry or cranberry jelly, less or more to taste (optional)