Homemade Tomato Ketchup (Gluten & Dairy Free)

Ingredients

• 1 tbsp olive oil
• 1 onion
• 1 garlic clove
• 1/2 tsp ground ginger
• 1/4 tsp chilli flakes
• 1/2 tsp smoked paprika
• 1 tbsp tomato puree
• 400 g chopped tomatoes
• 30 g brown sugar
• 30 mg apple cider vinegar
• 1/2 tsp salt