Swedish Meatballs

Ingredients

• 1 large egg
• 1/4 cup heavy cream
• 1 large slice high-quality white sandwich bread, crusts removed and bread torn into 1-inch pieces
• 8 ounces ground pork
• 1 small onion, grated on large holes of box grater (about 1/4 cup)
• 1/8 teaspoon freshly grated nutmeg
• 1/8 teaspoon ground allspice
• 1/8 teaspoon ground black pepper
• 1 teaspoon packed brown sugar (see note)
• 1 1/2 teaspoons table salt
• 1 teaspoon baking powder
• 8 ounces 85 percent lean ground beef
• 1 1/4 cups vegetable oil
• 1 tablespoon unsalted butter
• 1 tablespoon unbleached all-purpose flour
• 1 1/2 cups low-sodium chicken broth
• 1 tablespoon packed brown sugar (see note)
• 1/2 cup heavy cream
• 2 teaspoons juice from 1 lemon
• Salt
• ground black pepper