Low carb cottage pie for 600cal

For cauliflower mash:
Half of small cauliflower
Mozzarella cheese 40g
1 egg
Boil the cauliflower till soft, mash it, add cheese and egg.

For beef sauce:
200g of minced beef
30g of chopped onion
1 small carrot
1 teaspoon of butter
20g of chopped leek
20g of peas
2 teaspoons of tomato paste
1 clove of garlic
Salt, pepper and parsley

Add chopped onions, carrot and leek to melted butter, add salt and pepper and cook for 5 minutes. Add minced garlic, cook for 2 minutes and add meat and peas. When meat changes color add tomato paste and parsley. Cook for 25 minutes (peas should be soft). Pour it to baking tray (I used 1 teaspoon of oil to prevent it from sticking) then add mashed cauliflower. Bake at 200C for 25 minutes. You can put it under the grill for last 1m0 minutes.