Favorite Blueberry Salad

This is one of my husband's favorites.

1 (6 oz.) pkg. raspberry flavored gelatin
2 cups boiling water
Cold water
1 (15 oz.) can blueberries, drained and juice reserved
1 (8-oz.) can crushed pineapple, drained and juice reserved
1 cup chopped pecans
1 cup whipping cream, whipped
1 cup miniature marshmallows (optional)

Dissolve gelatin in boiling water; add enough cold water to reserved blueberry and pineapple juice to measure 2 cups and add to gelatin. Remove 1 cup and set aside; do not chill. Chill remaining gelatin until syrupy; add fruit and pecans. Pour into an 11x7-inch dish; chill until firm. Combine reserved 1 cup gelatin with whipped cream and optional marshmallows; spread over gelatin layer. Chill 3 to 4 hours.