Minted Pea Salad

1/2 cup mayonnaise
1/4 cup sour cream
1/4 cup minced fresh mint
3/4 teaspoon salt
1/4 teaspoon Dijon mustard
Dash pepper
3 cups frozen peas, thawed
1 small onion, finely chopped

In a bowl, combine the first six ingredients; mix well. Add peas and onion; toss to coat. Cover and refrigerate for 1 hour.

Yields 4 to 6 servings.