Ingredients:
1 lb - ground beef
1 1/2 cup - beef stock
1/2 lb - macaroni
1/2 cup - butter
1/2 cup - all purpose flour
2 cups - milk
1/2 cup - plain yogurt
1 1/2 cups - grated kefalotiri cheese
2 tbsp - extra virgin olive oil
1 - onion, chopped
1 - garlic clove, crushed
2 tsp - tomato paste
1/2 tsp - ground cinnamon
1 tsp - chopped fresh mint
pepper to taste
salt to taste