3/4 cup packed light brown sugar |
2 tablespoons light-colored corn syrup |
2 tablespoons minced crystallized ginger (optional) |
2 teaspoons vanilla extract |
1 1/2 teaspoons grated lemon rind |
1/8 teaspoon salt |
2 (16-ounce) cartons fat-free sour cream |
2 (8-ounce) cartons lemon low-fat yogurt |
lemon rind strips (optional) |