Crab salad recipe with cucumber jelly & mustard vinaigrette

Ingredients

• 1 1/2 peeled cucumbers, cut into chunks, plus 1/2 small cucumber peeled
• 1/2 teaspoon. plain gelatin
• 1 Tbsp. warm water
• 24 dill sprigs, plus more to garnish salad
• 1/3 cup heavy cream
• 3-4 teaspoons. whole grain Dijon mustard
• Kosher salt and white pepper
• 1 libra. lump crab meat
• 1 cup. baby greens
• 2-3 radicchio leaves torn into small pieces
• 3 tablespoons. grated jicama
• Extra virgin olive oil
• 1-2 teaspoon. lemon juice