Quick Winter Tomato Relish

Ingredients

• 1 cup firmly brown sugar packed
• 1 tablespoon butter 
• 28 oz canned tomatoes canned
• 1 cup cider vinegar 
• 0.5 teaspoon ground allspice 
• 1.5 pounds onions peeled thinly sliced
• 1 teaspoon pepper 
• 5 servings salt 

Equipment

• frying pan

Directions

1. In a 3- to 4-quart pan over medium-high heat, stir onions in butter until limp, about 6 minutes.
2. Add tomatoes and their liquid, brown sugar, vinegar, pepper, allspice, cinnamon, and cloves; boil over high heat, stirring often, until mixture is reduced to 5 cups, 25 to 30 minutes.
3. Add salt to taste.
4. Serve sauce hot, warm, or cool. Chill airtight up to 1 week.