Spaghetti Pie, with beef and spinach, Thyme for Cooking one dish dinner.

Ingredients

• 12oz ground beef (360gr mince)
• 1 medium onion
• 2 cloves garlic
• 1 tbs olive oil
• 2 cups tomato sauce (16oz, 480gr)
• 8oz (240gr) frozen spinach
• 1 tsp oregano
• 1 tsp basil
• 1 tsp Balsamic vinegar
• 4oz (120gr) spaghetti - make a circle with thumb & index finger, about 1" (2.5 cm) in diameter
• 1 cup (8oz, 240gr) ricotta
• 1 egg
• 1/4 cup (1oz, 30gr) grated Parmesan
• Bit more oil