Spicy Mexican Tortilla Lasagne

Ingredients

• 1 tsp dried oregano
• 400 g tin chopped tomatoes
• 100 ml red wine
• 2 garlic cloves (crushed)
• 1 Tbsp neutral oil
• 1 tsp ground cumin
• 200 ml beef stock
• 1 tsp chilli flakes
• 500 g beef mince
• salt & pepper
• 1 carrot (grated)
• 1 large red onion (chopped)
• 250 g cheddar (grated)
• 6 medium tortillas
• 2 sticks celery (finely chopped)
• 400 g tin kidney beans
• 1 tub sour cream