Meatloaf Muffins Are a Dinner My Whole Family Can Agree On

Name: Meatloaf Muffins Are a Dinner My Whole Family Can Agree On
Ingredients: Nonstick cooking spray or softened butter; 1/2 white onion , coarsely chopped; 1 medium carrot , peeled and coarsely chopped; 1 stalk celery , coarsely chopped; 2 tablespoons fresh parsley leaves; 3 cloves garlic; 1 pound 90% lean ground beef; 1/2 cup breadcrumbs; 1 large egg; 2 tablespoons Worcestershire sauce; 1/2 teaspoon kosher salt; 1/2 teaspoon freshly ground black pepper; 1/4 cup barbecue sauce or ketchup; 1/4 cup brown sugar; 1 tablespoon Dijon mustard; 1/2 teaspoon ground cumin