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Ingredients
- 4 CUPS
- 3/4 lb white onions, chopped (2 cups)
- 3 tablespoons olive oil
- 2 (28-oz) cans whole tomatoes in juice
- 3/4 cup red-wine vinegar
- 1/3 cup packed light brown sugar
- 1/4 cup bourbon
- 3 tablespoons molasses (not robust or blackstrap)
- 1/2 teaspoon ground cloves
- EQUIPMENT: a food mill
Preparation
Step 1
Cook onions in oil in a wide 4- to 6-qt heavy pot over medium heat, stirring occasionally, until softened, 8 to 10 minutes.
While onions cook, force tomatoes with their juice through food mill into a bowl (discard seeds).
Stir into onions with remaining ingredients and 2 tsp salt and bring to a boil.
Simmer over medium-low heat, stirring frequently (especially toward end to prevent scorching), until thick and glossy, 1 1/2 to 2 hours.
Puree in batches in a blender. Cool ketchup.
COOKS NOTE: Ketchup can be chilled in an airtight container indefinitely.