Ketchup from Scratch: Indian Spiced Ketchup Chutney

INGREDIENTS

• 3 tablespoons canola or grapeseed oil
• 1 teaspoon mustard seeds
• ½ teaspoon cumin seeds
• 1 medium red onion, finely diced
• 3 cloves garlic, thinly sliced
• 1-inch thumb ginger, minced
• ½ teaspoon turmeric
• ½ teaspoon garam masala
• ½ teaspoon paprika
• ¼ cup apple cider vinegar
• 1 14.5-ounce can diced tomatoes
• 2 tablespoons molasses
• ½ teaspoon kosher salt
• Freshly ground black pepper