A Meltingly Tender One-pot Beef Casserole - PROVENIR

Ingredients

• 1 kg Chuck or boneless shin/gravy beef
• 1 medium Onion diced
• 2 small Celery stalks sliced
• 2 small Carrots finely diced
• 1 tbsp Plain flour
• 3 cups Beef stock
• ¼ cup Tomato paste
• 3 large Potatoes peeled, cut into large dice
• 1-2 Bay leaves (fresh or dried)
• 4 sprigs Fresh thyme or small sprigs of rosemary or parsley