Chickpea and spinach curry

Ingredients

• 1 teaspoon oil
• 1 teaspoon butter
• 1 onion - chopped
• 2 cloves garlic - finely minced
• 2-3 thin chilies - finely chopped (more or less depending on how hot you want it)
• 1 inch ginger - thinly chopped
• 1 pepper - chopped
• 1 teaspoon turmeric
• 1 teaspoon smoked paprika
• 1 teaspoon cumin
• 1 teaspoon garam masala powder
• 1 teaspoon ground coriander
• 1 tin chopped tomatoes
• 2 teaspoons tomato puree
• 1 tin chickpeas/garbanzo beans
• large handful spinach
• chopped coriander/cilantro