Summer Berry Dessert

-2 envelopes (1/4 ounce each) unflavored gelatin
-2 1/4 cups white grape juice
-1/2 cup sugar
-6 cups of mixed fresh berries and slices of banana

1 In a small bowl, sprinkle gelatin over 1/2 cup grape juice; let soften 2 to 3 minutes
2 Heat sugar with another 1/4 cup grape juice in a small saucepan over medium-high heat until dissolved
3. Remove from heat; stir in softened gelatin until dissolved, then stir in remaining 1 1/2 cups grape juice
4. Place berries in a 4-by-8-inch loaf pan; pour gelatin mixture over, pressing berries gently to submerge completely
5. Refrigerate until firm, at least 4 hours
6. To unmold, dip bottom of pan in hot water about 5 seconds
7. Invert onto a serving platter, and shake firmly to release
8. Slice to serve