MAKE AHEAD SWEET AND SOUR COCKTAIL MEATBALLS

Steps:

• MAKE MEATBALLS: Adjust oven racks to upper-middle and lower middle positions and heat oven to 450 degrees F.
• Using fork, mash bread, milk, and egg yolks in large bowl until smooth.
• Add pork, parsley, garlic, salt, and pepper and mix until incorporated. Add beef and knead gently until combined.
• BAKE MEATBALLS: Form mixture into 1 1/4 inch meatballs (you should have about 80). Bake meatballs on 2 rimmed baking sheets until cooked through and beginning to brown, 12 to 15 minutes, switching and rotating sheets halfway through cooking.
• Let cool to room temperature, then refrigerate until firm, about 30 minutes.
• Transfer to large zipper lock freezer bag and freeze for up to 1 month.
• MAKE SAUCE: Heat oil in Dutch oven over medium high heat until shimmering. Cook onion until softened, about 5 minutes.
• Whisk in tomato sauce, preserves, sugar, Worcestershire, mustard, and epper flakes and bring to boil.
• Reduce heat to medium-low and simmer until sauce is thickened, about 15 minutes.
• Let cool to room temperature. Transfer to airtight container and freeze for up to 1 month.
• TO SERVE: Reheat sauce, covered and stirring occasionally, in Dutch oven
• over medium low heat. Once sauce reaches simmer, stir in frozen
• meatballs and cook until heated through, 10 to 15 minutes. Serve.