Savory Sheet Pan Mini Meatloaf with Green Beans and New Potatoes

Ingredients

• additional 1/4 cup barbecue sauce for serving
• 2 tablespoons olive oil, divided
• nonstick cooking spray
• 1/2 teaspoon salt
• 1/4 cup finely chopped onion
• 1 pound lean ground beef
• 1/3 cup barbecue sauce, divided
• 8 ounces green beans, trimmed
• 1 teaspoon garlic powder
• 1/2 teaspoon black pepper
• 12 ounces new potatoes, halved
• 1/4 cup fine dry bread crumbs