Step 1

Heat oil in a large pan over medium heat.

Step 2

Add beef and cook until browned but still pink in the center.

Step 3

Add onion and celery and cook, stirring constantly, until onion is translucent.

Step 4

Add tomato sauce and potatoes and pour beef stock. Mix until everything is well incorporated.

Step 5

Bring to a gentle simmer and season with Italian seasoning. Simmer for 20 minutes or until the potato is tender.

Step 6

Add the frozen veggies and cook for 3 more minutes, stirring constantly.