Gill Meller's Egg Curry

Ingredients

• 8 cardamom pods, bashed
• 2 teaspoons cumin seeds
• 3 teaspoons coriander seeds
• 2–3cm cinnamon stick
• 1 teaspoon of fenugreek
• 1 teaspoon fennel seeds
• 2 teaspoons of dried chilli flakes
• 1 teaspoon turmeric
• 2 teaspoons garam masala
• 2 teaspoons black onion seeds
• 1 teaspoon flaky sea salt, plus extra to season
• Freshly ground black pepper
• 2 tablespoons extra-virgin olive oil
• 25g butter
• 1 large or 2 smaller onions, finely diced
• 4 garlic cloves, thinly sliced
• a thumb-size piece of ginger, peeled and grated
• 1 tin of chopped tomatoes
• 4 bay leaves
• 12 curry leaves
• 8 Stonegate Estate eggs, boiled for 7 minutes and peeled