These easy-to-make-ahead appetizers are a refreshing change from the usual sausage stuffed mushrooms.      INGREDIENTS: 24 large mushrooms Olive oil 2 lbs. fresh spinach, chopped, cooked, and squeezed completely dry 1 large fennel bulb, finely diced 4 green onions, sliced 2 cloves garlic, finely minced 1/4 cup butter Salt and cayenne, to taste 4 ounces Parmesan...Read More