Perfect Healthy Meatloaf

Name: Perfect Healthy Meatloaf
Ingredients: 1 tablespoon olive oil, or as needed; 1 onion, diced; 0.5 red bell pepper, diced; 0.5 green bell pepper, diced; 1 clove garlic, minced, or to taste; salt and ground black pepper to taste; 1 pound ground turkey; 1 pound lean ground beef; 2 cups cooked quinoa, or more to taste; 0.5 cup milk; 2 eggs, beaten; 2 tablespoons Worcestershire sauce; 2 tablespoons sweet chili sauce; 0.75 teaspoon ground ginger; 0.25 cup bread crumbs, or as needed; 0.25 cup brown sugar; 0.25 cup ketchup; 1 tablespoon Worcestershire sauce