Cottage Pie - Food Dudes

Ingredients

• 450g lean minced beef
• 1 tablespoon olive oil
• 1 onion, peeled and finely chopped
• 2 carrots, peeled and diced
• 1 tablespoon plain flour
• 400g tin tomatoes
• 2 tablespoon tomato purée (optional)
• 125ml water
• Salt and black pepper
• 1 kg potatoes, cooked
• 1 tablespoon butter
• Little bit of milk (or cream)