Fresh Spinach and Roasted-Garlic Custards

Name: Fresh Spinach and Roasted-Garlic Custards
Yield: Makes 6 Servings
Ingredients: 2 cups heavy whipping cream; 2 cups (firmly packed) stemmed fresh spinach leaves (about 3 1/2 ounces); 1 teaspoon coarse kosher salt; 1/2 teaspoon freshly ground white pepper; 4 large eggs; 1 tablespoon finely mashed Roasted Garlic; Extra-virgin olive oil (for garnish)