In addition to the Margarita Shrimp Salad, you can use this zingy dressing to make low-fat Caesar salad with romaine, croutons and Parmesan shavings. It also works well as a marinade for chicken.

Makes about 1/2 cup

ACTIVE TIME: 5 minutes

TOTAL TIME: 5 minutes

EASE OF PREPARATION: Easy

6 tablespoons reduced-fat sour cream
3 tablespoons lime juice
2 teaspoons minced seeded jalapeno or serrano pepper
1 teaspoon chili powder
1 teaspoon sugar
1/4 teaspoon salt

Whisk all ingredients in a small bowl.

NUTRITION INFORMATION: Per tablespoon: 20 calories; 1 g fat (1 g sat, 0 g mono); 4 mg cholesterol; 2 g carbohydrate; 0 g protein; 0 g fiber; 81 mg sodium; 29 mg potassium.

0 Carbohydrate Servings

Exchanges: Free food

TIP: To juice a lime: A lime at room temperature gives the most juice (11/2-2 tablespoons). Before juicing, roll the lime on the counter, pressing down with your hand. If the recipe calls for both zest and juice, grate the zest before squeezing the juice.

MAKE AHEAD TIP: Cover and refrigerate for up to 2 days.