One Pot Macaroni Cheeseburger Soup

Ingredients

• 4 sesame seed buns, diced into 1-inch pieces
• 2 T. olive oil
• 1 lb. ground beef
• 2 t. dried oregano, divided
• 2 t. dried thyme, divided
• 6 T. butter
• 1 c. yellow onion, diced
• 1 c. sliced carrots
• 1 c. sliced celery
• 5 cloves garlic, minced
• 4 T. flour
• 8 c. chicken broth
• 8 oz. uncooked elbow macaroni
• 1 c. heavy cream
• 8 oz. sharp Cheddar cheese, freshly shredded (melts better)
• 1 t. white balsamic vinegar
• Kosher salt
• freshly ground black pepper
• sliced green onion, for garnish
• shredded Cheddar cheese, for garnish