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Ingredients
3lbssweet red bell peppers, about 6 peppers
3cupsboiling water
1 1/2cupswhite granulated sugar
1cupwhite vinegar
1 1/2teaspoonsfine salt
1/8 - 1/4teaspoonred pepper flakes, optional
Instructions
Start 3 cups of water to boil for use in the next step.Core and seed the 3 lbs sweet red bell peppers (about 6 peppers) and cut into large chunks. Place in a food processor. Pulse until no large chunks remain. Remove to a large bowl and cover with boiling water. Let stand 15 minutes, then drain well.
Add the drained red pepper puree to a large, heavy-bottomed pot. Add 1 1/2 cups white granulated sugar, 1 cup white vinegar, 1 1/2 teaspoons fine salt and 1/8 - 1/4 teaspoon red pepper flakes (optional), if using. Stir to combine. Heat the mixture over medium heat until the mixture boils, then reduce heat to medium-low and simmer, stirring regularly to start, then watching and stirring more regularly towards the end of cooking to avoid scorching on the bottom, until the mixture is thickened, about 40-45 minutes. (Mixture will thicken further in the fridge).
Prepare three one-cup-capacity jars by washing them well.
When the jam is ready, spoon it into prepared jars and allow it to cool for 15 minutes uncovered. Place lids on the jars, just finger-tight, and place in the refrigerator for 6-8 hours before using.
The jam must be refrigerated at all times, where it will keep for several months.
If you'd like to can this jam for longer storage, always seek guidance on safe canning practices and proceed according to best practices.
Notes
Nutritional information is for the entire batch of jam.Be sure to read the notes above this recipe card, where I share more detailed tips, variations and substitution suggestions for this recipe! You'll also find step-by-step photos there that you might find helpful.