Pastitsio

Ingredients

• 2 tablespoons extra-virgin olive oil
• 1 Onion chopped
• 1 clove garlic crushed
• 1 1/4 cups beef stock
• 1 lbs ground beef
• 2 teaspoon tomato paste
• 1/2 teaspoon ground cinnamon
• 1 teaspoon fresh mint chopped
• 1/2 lb macaroni
• 1/4 cup Butter
• 1/2 cup all-purpose flour
• 2 cups milk
• 1/2 cup plain yogurt
• 1 1/2 cups grated kefalotiri cheese (6 oz.)
• Salt and Pepper