Ketchup Posted by bettyboop50 May 9, 2001 2 1/2 cups 1 (12 ounce) can tomato paste 1/2 cup vinegar 1/2 cup water 1/2 teaspoon salt 1 teaspoon oregano 1/8 teaspoon cumin 1/8 teaspoon nutmeg 1/8 teaspoon pepper 1/2 teaspoon mustard Combine ingredients and store in refrigerator.