Make-Ahead Sweet and Sour Cocktail Meatballs | America's Test Kitchen

Ingredients

• 4 slices hearty white sandwich bread , torn into pieces
• 1/2 cup whole milk
• 2 large egg yolks
• 1/2 pound ground pork
• 1/2 cup finely chopped fresh parsley
• 2 garlic cloves , minced
• 1 teaspoon salt
• 2 teaspoons pepper
• 2 1/2 pounds 85 percent lean ground beef
• 1 tablespoon vegetable oil
• 1 onion , minced
• 1 (28-ounce) can tomato sauce
• 2 1/2 cups apricot preserves
• 1/4 cup packed dark brown sugar
• 3 tablespoons Worcestershire sauce
• 2 tablespoons Dijon mustard
• 1/4 teaspoon red pepper flakes