Oysters Sautéed with Country Ham and Wild Mushrooms over Grilled Bread Recipe

Name: Oysters Sautéed with Country Ham and Wild Mushrooms over Grilled Bread Recipe
Ingredients: 4 thick slices Tuscan or country-style bread; 2 tablespoons olive oil; ½ cup finely chopped shallots; ½ cup dry white wine; 3 egg yolks; ¼ cup heavy cream; ¾ cup sliced wild mushrooms (cremini, portobello, shiitake, or a combination); ¾ cup finely cubed aged and cured country ham; ½ cup coarsely chopped fresh spinach; 20 oysters, shucked; Salt and freshly ground black pepper, to taste; Fresh parsley or thyme, chopped (optional)