Slow Cooker Beef Tomato Stew

Ingredients

• 1 tbsp olive oil
• 900 g cubed stew beef
• 400 g stewed tomatoes
• 170 g tomato paste
• 500 mL beef broth
• 1 tbsp worcestershire sauce
• 1 medium onion
• 3 large carrots
• 3 ribs celery
• 300 g fresh or frozen peas
• 450 g baby potatoes
• 1 tsp salt
• ½ tsp pepper
• 2 tsp garlic powder
• 1 tbsp fresh thyme (or 1 tsp dried)
• 2 tsp fresh rosemary (or ½ tsp dried)
• 1 bay leaf