Created by NYThaddeus on August 8, 2014
Step 1: Heat oil in a small saucepan over medium-high heat. When oil shimmers, add onions and salt and cook, stirring occasionally, until soft and golden brown in places, 8-10 minutes. Add garlic and continue cooking, 1 minute more. Stir in tomato paste, red wine vinegar, hot sauce, sugar, and 1/2 cup water. Bring to a boil, reduce heat, and simmer, stirring occasionally, until onion relish is thick and glossy.
Step 2: Spoon on hot dogs