1. Steam butternut squash cubes 7 to 10 minutes, or until tender.
2. Place 1/4 cup dried cranberries in bowl, and cover with boiling water. Steep 2 minutes, then drain. Transfer to blender with vinegar, oil, mustard, garlic, salt, and 1/4 cup water. Blend until very smooth.
3. Toast almond slivers in small skillet 3 to 5 minutes over medium heat, shaking pan often. Set aside.
4. Toss greens with dressing in large bowl. Top with warm squash, almonds, and remaining 1/4 cup cranberries.