BEEF & BUTTERNUT SQUASH STEW

WHAT YOU'LL NEED

• 2 tbsp olive oil
• 500 grams diced casserole beef
• 10 grams flour
• 1/2 tsp Colman's English Mustard
• 1 large onion
• 1 large celery stick
• 75 grams carrots
• 2 cloves garlic
• 300 gram mushrooms sliced
• 400 grams tinned refried beans e.g. haricot or cannellini drained, optional
• 200 grams can tomatoes
• 1 tbsp tomato puree
• 1 bay leaf
• 3 thyme stems
• 3 rosemary stems
• 1 tbsp Worcestershire sauce optional
• pepper
• 1 Knorr Organic Beef Stock Pot dissolved in 500 mls water