One Pot Pressure Cooker Pasta

Ingredients

• 450 grams penne pasta
• 1 small onion, sliced
• 1 small shallot, diced (optional)
• 3 cloves garlic, minced
• 12 white mushrooms, sliced
• 1 zucchini squash, thickly sliced
• A dash of sherry wine
• A pinch of dried oregano
• A pinch of dried basil
• Kosher salt and black pepper to taste
• Olive oil
• 1 cup unsalted homemade chicken stock or vegetable stock + 2 cups water
• 156 ml tomato paste
• 2 tablespoons light soy sauce
• 1 tablespoon Worcestershire sauce
• 1 tablespoon fish sauce (omit if vegetarian)