Meatloaf California

Name: Meatloaf California
Ingredients: 1 pound ground beef; 0.75 cup diced red onion; 0.5 cup diced green bell pepper; 0.5 cup diced celery; 2 eggs; 0.25 cup soy sauce; 1/3 cup ketchup; 2 tablespoons dried basil; 1 tablespoon dried parsley; 1 tablespoon dried oregano; 2 teaspoons garlic powder; 2 teaspoons ground black pepper; 1 cup quick cooking oats, or as needed; 0.25 cup brown sugar; 0.25 cup ketchup; 3 tablespoons brown mustard; 0.5 teaspoon liquid mesquite smoke flavoring; 0.5 teaspoon ground black pepper; 0.5 teaspoon paprika