For the Swedish Meatballs:

• 1 lb lean ground beef , (10%-15% fat)
• 1 lb ground pork
• 1 small onion, grated on star side of box grater
• 2 garlic cloves, minced
• 1 large egg
• 1/3 cup panko crumbs
• 1/4 cup whole milk
• ½ tsp salt
• ¼ tsp ground black pepper
• ¼ tsp ground allspice

• ¼ tsp ground nutmeg
• 2 Tbsp olive oil, (cooking oil), or as needed

For the Gravy Sauce:

• 4 Tbsp unsalted butter
• 3 cups regular beef broth
• 1 cup heavy whipping cream
• 3 Tbsp all-purpose flour  + at least 2 T.    3T resulted in a thin sauce.
• ½ tsp Dijon mustard
• salt and pepper, to taste