Tomato-Roasted Garlic Freezer Jam Recipe

By
Kumiko Mitarai
Kumiko Mitarai wrote the "Technique of the Week" column for Serious Eats. In it, she demonstrated cooking techniques that seem easy but are hardly ever explained.
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Updated August 09, 2018
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Recipe Details

Tomato-Roasted Garlic Freezer Jam Recipe

Prep 10 mins
Total 10 mins
Cook Mode (Keep screen awake)

Ingredients

  • 4 cups very ripe cherry tomatoes
  • 2 heads of garlic cloves, roasted
  • 1 ¼ teaspoons Kosher salt
  • Freshly ground black pepper to taste
  • ½ cup of light brown sugar
  • Pectin (See below)

Directions

  1. To make about 3 cups, use a blender or food processor to pulse together 4 cups very ripe cherry tomatoes, the roasted cloves of 2 heads of garlic (wrap them in foil and bake at 325°F for about an hour until soft and lightly caramelized), 1 1⁄4 teaspoons Kosher salt, and freshly ground black pepper to taste.

  2. If using Ball instant fruit pectin: Mix together 1⁄2 packet of the pectin with 1⁄2 cup of light brown sugar. Stir the sugar/pectin into the tomato mixture.

  3. If using Pomona's Universal: Mix the brown sugar into the tomato mixture and then prepare the pectin by blending 3 fluid ounces of boiling water with 1 1⁄2 teaspoons pectin. Add this pectin liquid to the tomato mixture and slowly stir in 3 teaspoons of prepared calcium water.

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