Balsamic mushroom tart with quick pastry

Ingredients

• Balsamic mushroom tart
• 1 tablespoon olive oil
• 4 cloves garlic, crushed
• 1 onion, diced
• 1 carrot, diced
• 400 grams mushrooms, sliced
• pinch of dried thyme
• pinch of dried oregano
• salt and ground black pepper
• 2 tablespoons plain flour
• 1 1/2 cup vegetable stock
• 2 tablespoons soy sauce
• 1 tablespoon balsamic vinegar
• 1/4 cup ground almonds
• 1 egg, lightly beaten
• fresh parsley or thyme, to serve (optional)
• Quick pastry
• 80 grams butter, cold, cubed
• 175 grams plain flour, plus extra, for rolling
• dash of cold water