Wash peppers thoroughly.
Remove stems and rough chop the peppers and garlic. Remove seeds at this step if desired , may reduce bitterness.
Heat the oil in a medium sauce pan over low heat.
Add the chopped peppers and cover. Cook, stirring occasionally, until the peppers soften, about 8 minutes.
Add the garlic and continue cooking until fragrant, about 2 minutes.
Add the vinegar, sugar and salt.
Bring to a simmer and cover, cooking for an additional 10 minutes on low heat.
Remove from heat and allow to cool for 10 minutes, covered.
Pour mixture into a blender and blend thoroughly until smooth.
Distribute the hot sauce into individual bottles using a glass baster or a funnel.
Store for 3+ months in the refrigerator.