Grilled Marinated Shrimp with Grapefruit - Love of Food

Ingredients

• 1⁄4 cup extra virgin olive oil
• 1⁄2 teaspoon minced garlic
• 1 teaspoon thyme, chopped
• 1 teaspoon oregano, chopped
• 12 16/20-count shrimp, peeled and deveined with the tail on
• 2 large pink grapefruits
• 2 tablespoons superfine sugar
• 1⁄4 cup heavy cream
• 1/2 cup unsalted butter, cut into small dice
• 1⁄8 teaspoon salt
• 1⁄8 teaspoon ground black pepper
• 2 bunches watercress, washed and trimmed