Set your Instant Pot on saute and melt the coconut oil. Fry onion for about 7 minutes or until translucent, then add the garlic and fry for another minute or so.
Add some more coconut oil to one corner of the pot and sprinkle the coriander, cumin, black pepper, and Ceylon cinnamon into that corner. Fry for 30 seconds, then add maple syrup. Stir well.
Add diced tomatoes, chopped bell peppers, vinegar, sambal, paprika, and chili as well as salt. Let come to a boil. Turn off saute mode.
Close the lid, turn pressure knob to ‘Sealing’ position and set the instant pot into pressure cooking mode for 10 minutes.
Quick release steam and fill sauce into a Vitamix or blender. Blend until smooth.